{"title":"Optics","description":"\u003cp\u003eOptical bench supplies, lasers, lenses, spectroscopes, and more.\u003c\/p\u003e","products":[{"product_id":"quantitative-spectroscope","title":"Quantitative Spectroscope","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-9\" data-testid=\"conversation-turn-234\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"7c8c5373-9799-4888-8d74-543ecbdbacb9\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"83\"\u003e\u003cstrong data-start=\"0\" data-end=\"83\"\u003eHandheld Quantitative Spectroscope – Measure Visible Light Spectra (400–700 nm)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"85\" data-end=\"428\"\u003eExplore the colors of light with this handheld quantitative spectroscope, an economical yet powerful tool for homeschool and classroom physics labs. Designed to clearly display the bright spectral lines produced by different light sources, it allows students to observe and compare the visible spectrum while investigating the nature of light.\u003c\/p\u003e\n\u003cp data-start=\"430\" data-end=\"859\"\u003eBy viewing various lamps or light sources through the spectroscope, students can see distinct spectral bands and patterns that reveal the wavelengths present in each source. The internal graduated scale enables measurement of visible light wavelengths from 4000 to 7000 Angstroms (400–700 nm) with a precision of approximately ±50 Angstroms (±5 nm), helping learners connect visual observations with quantitative scientific data.\u003c\/p\u003e\n\u003cp data-start=\"861\" data-end=\"878\"\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"880\" data-end=\"1102\"\u003e\n\u003cli data-start=\"880\" data-end=\"914\"\u003e\n\u003cp data-start=\"882\" data-end=\"914\"\u003eClear, bright spectral viewing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"915\" data-end=\"955\"\u003e\n\u003cp data-start=\"917\" data-end=\"955\"\u003eMeasures wavelengths from 400–700 nm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"956\" data-end=\"996\"\u003e\n\u003cp data-start=\"958\" data-end=\"996\"\u003eInternal graduated measurement scale\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"997\" data-end=\"1033\"\u003e\n\u003cp data-start=\"999\" data-end=\"1033\"\u003ePrecision of approximately ±5 nm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1034\" data-end=\"1076\"\u003e\n\u003cp data-start=\"1036\" data-end=\"1076\"\u003eHandheld design for easy classroom use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1077\" data-end=\"1102\"\u003e\n\u003cp data-start=\"1079\" data-end=\"1102\"\u003eInstructions included\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1104\" data-end=\"1347\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA fascinating addition to homeschool science programs, co-op labs, and classroom physics curriculum, this spectroscope allows students to investigate emission spectra, study light sources, and better understand the properties of visible light.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44996255056072,"sku":"A00526","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/ImageComingSoon.png?v=1718129602"},{"product_id":"tube-spectroscope","title":"Tube Spectroscope","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-697baa0e-4ccc-832b-93ca-40255a501d5e-0\" data-testid=\"conversation-turn-138\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"1460d90c-f43a-4359-8d48-7cbfa9169cc5\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"61\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eTube \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eSpectroscope \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003efor \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ePhysics \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eLabs | \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eHandheld \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eSpectrum \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eViewer\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"63\" data-end=\"511\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eThis \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003etube \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003espectroscope \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eis \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ea \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003esimple \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eand \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eeffective \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003etool \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003efor \u003c\/span\u003e\u003cstrong data-start=\"121\" data-end=\"173\" data-is-only-node=\"\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eobserving \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003elight \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003espectra \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ein 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class=\"BZ_Pyq_fadeIn\"\u003estudents \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ecan \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eclearly \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003esee \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ethe \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003evisible \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003espectrum \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eof \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003elight\u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e, \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003emaking \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eit \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eeasier \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eto \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eexplore \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ehow 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class=\"BZ_Pyq_fadeIn\"\u003eDurable \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ehandheld \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003etube \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003edesign\u003c\/span\u003e\u003cbr data-start=\"568\" data-end=\"571\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e• \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eDiffraction \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003egrating \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003efor \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eseparating \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003elight \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003einto \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003espectral \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ecolors\u003c\/span\u003e\u003cbr data-start=\"634\" data-end=\"637\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e• 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\u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ebulbs, \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003efluorescent \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003elights, \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eLEDs, \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eand \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eother \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003esources \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eto \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eobserve \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ehow \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003edifferent \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ematerials \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eproduce \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003edistinct \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003espectral 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\u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ein \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003edistant \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003estars \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eby \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003estudying \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ethe \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eunique \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003espectral \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003elines \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eproduced \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eby \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eeach \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eelement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1220\" data-end=\"1289\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44996261281992,"sku":null,"price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/ImageComingSoon.png?v=1718129602"},{"product_id":"convex-glass-lens-75mm-diameter-20cm-focal-lens","title":"Biconvex Glass Lens - 75mm Diameter, 200mm Focal Lens","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-13\" data-testid=\"conversation-turn-242\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"1c37d7e1-6057-443f-a9b2-c1c7b69141f7\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"65\"\u003e\u003cstrong data-start=\"0\" data-end=\"65\"\u003eDouble-Convex Glass Lens – 75 mm Diameter, 20 cm (200mm) Focal Length\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"67\" data-end=\"427\"\u003eBring the principles of light and optics into clear focus with this double-convex glass lens, a classic tool for homeschool and classroom physics experiments. With its symmetrical curved surfaces, the lens converges incoming light rays to a focal point, making it ideal for demonstrations involving magnification, image formation, and focal length measurement.\u003c\/p\u003e\n\u003cp data-start=\"429\" data-end=\"777\"\u003eStudents can use the lens to investigate how light bends through transparent materials, project images onto screens, or explore the relationship between distance, focus, and magnification. Its large 75 mm diameter provides a generous viewing area that makes experiments easy to observe during classroom demonstrations or small-group investigations.\u003c\/p\u003e\n\u003cp data-start=\"779\" data-end=\"795\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"797\" data-end=\"985\"\u003e\n\u003cli data-start=\"797\" data-end=\"833\"\u003e\n\u003cp data-start=\"799\" data-end=\"833\"\u003eDouble-convex optical glass lens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"834\" data-end=\"852\"\u003e\n\u003cp data-start=\"836\" data-end=\"852\"\u003e75 mm diameter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"853\" data-end=\"875\"\u003e\n\u003cp data-start=\"855\" data-end=\"875\"\u003e200 mm focal length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"876\" data-end=\"939\"\u003e\n\u003cp data-start=\"878\" data-end=\"939\"\u003eSuitable for magnification and image projection experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"940\" data-end=\"985\"\u003e\n\u003cp data-start=\"942\" data-end=\"985\"\u003eIdeal for optics and light investigations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"987\" data-end=\"1194\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA valuable addition to homeschool science programs, co-op labs, and classroom physics curriculum, this lens allows students to explore the fascinating behavior of light through engaging hands-on experiments. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44996278288584,"sku":null,"price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/ImageComingSoon.png?v=1718129602"},{"product_id":"biconvex-glass-lens-38mm-diameter-150mm-focal-length","title":"Biconvex Glass Lens - 38mm Diameter, 150mm Focal Length","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-244\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-14\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-3\" dir=\"auto\" data-message-id=\"e571516b-7e7c-4b23-920d-e7db42870746\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-end=\"61\" data-start=\"0\"\u003e\u003cstrong data-end=\"61\" data-start=\"0\"\u003eDouble Convex Glass Lens – 38 mm Diameter, 150 mm Focal Length\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"387\" data-start=\"63\"\u003eInvestigate the fascinating behavior of light with this biconvex glass lens, a compact optical component ideal for homeschool and classroom physics experiments. With two outwardly curved surfaces, the lens converges incoming light rays, making it perfect for demonstrating image formation, magnification, and focal distance.\u003c\/p\u003e\n\u003cp data-end=\"645\" data-start=\"389\"\u003eStudents can use the lens to project images, measure focal length, and explore how light rays bend as they pass through curved glass surfaces. Its manageable 38 mm diameter makes it easy to incorporate into hands-on investigations and small optical setups.\u003c\/p\u003e\n\u003cp data-end=\"663\" data-start=\"647\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"849\" data-start=\"665\"\u003e\n\u003cli data-end=\"696\" data-start=\"665\"\u003e\n\u003cp data-end=\"696\" data-start=\"667\"\u003eBiconvex optical glass lens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"715\" data-start=\"697\"\u003e\n\u003cp data-end=\"715\" data-start=\"699\"\u003e38 mm diameter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"739\" data-start=\"716\"\u003e\n\u003cp data-end=\"739\" data-start=\"718\"\u003e150 mm focal length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"803\" data-start=\"740\"\u003e\n\u003cp data-end=\"803\" data-start=\"742\"\u003eSuitable for magnification and image projection experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"849\" data-start=\"804\"\u003e\n\u003cp data-end=\"849\" data-start=\"806\"\u003eIdeal for optics and light investigations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1047\" data-start=\"851\"\u003eA valuable addition to homeschool science programs, co-op labs, and classroom physics curriculum, this lens helps students explore key concepts in optics through engaging hands-on experimentation. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44996288479432,"sku":"A00247","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/ImageComingSoon.png?v=1718129602"},{"product_id":"convex-glass-mirror-38mm-diameter-200mm-focal-length","title":"Biconvex Glass Lens - 38mm Diameter, 200mm Focal Length","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-16\" data-testid=\"conversation-turn-248\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"e1b4e8bd-6995-498a-a66d-95a0da8f5ab2\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"61\"\u003e\u003cstrong data-start=\"0\" data-end=\"61\"\u003eBiconvex Glass Lens – 38 mm Diameter, 200 mm Focal Length\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"63\" data-end=\"418\"\u003eExplore the fascinating behavior of light with this biconvex glass lens, a precision optical component designed for homeschool and classroom physics experiments. With two outwardly curved surfaces, the lens converges incoming light rays toward a focal point, making it ideal for demonstrations involving image formation, magnification, and focal distance.\u003c\/p\u003e\n\u003cp data-start=\"420\" data-end=\"679\"\u003eStudents can use the lens to project images onto screens, measure focal length, and investigate how light bends when passing through curved glass surfaces. Its compact 38 mm diameter makes it easy to handle during hands-on activities and small optical setups.\u003c\/p\u003e\n\u003cp data-start=\"681\" data-end=\"697\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"699\" data-end=\"883\"\u003e\n\u003cli data-start=\"699\" data-end=\"730\"\u003e\n\u003cp data-start=\"701\" data-end=\"730\"\u003eBiconvex optical glass lens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"731\" data-end=\"749\"\u003e\n\u003cp data-start=\"733\" data-end=\"749\"\u003e38 mm diameter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"750\" data-end=\"773\"\u003e\n\u003cp data-start=\"752\" data-end=\"773\"\u003e200 mm focal length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"774\" data-end=\"837\"\u003e\n\u003cp data-start=\"776\" data-end=\"837\"\u003eSuitable for magnification and image projection experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"838\" data-end=\"883\"\u003e\n\u003cp data-start=\"840\" data-end=\"883\"\u003eIdeal for optics and light investigations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"885\" data-end=\"1081\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA valuable addition to homeschool science programs, co-op labs, and classroom physics curriculum, this lens helps students explore key concepts in optics through engaging hands-on experimentation. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44996300406984,"sku":null,"price":2.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/ImageComingSoon.png?v=1718129602"},{"product_id":"biconvex-glass-lens-38mm-diameter-50mm-focal-length","title":"Biconvex Glass Lens - 38mm Diameter, 50mm Focal Length","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-17\" data-testid=\"conversation-turn-250\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"9c3202ab-4723-4bc2-ad1e-dc2a44b04b81\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"65\"\u003e\u003cstrong data-start=\"0\" data-end=\"65\"\u003eDouble-Convex Glass Lens – 38 mm Diameter, 50 mm Focal Length\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"67\" data-end=\"421\"\u003eInvestigate the behavior of light with this double-convex glass lens, a polished optical component designed for hands-on homeschool and classroom physics experiments. With its two curved surfaces, the lens converges incoming light rays toward a focal point, making it ideal for demonstrations involving magnification, image formation, and focal distance.\u003c\/p\u003e\n\u003cp data-start=\"423\" data-end=\"759\"\u003eStudents can use the lens to project images, focus light onto a surface, and explore how curved glass affects the direction of light rays. The polished optical glass provides clear transmission and sharp image formation, while the compact 38 mm diameter makes it easy to incorporate into small optical setups and student investigations.\u003c\/p\u003e\n\u003cp data-start=\"761\" data-end=\"777\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"779\" data-end=\"983\"\u003e\n\u003cli data-start=\"779\" data-end=\"824\"\u003e\n\u003cp data-start=\"781\" data-end=\"824\"\u003eDouble-convex polished optical glass lens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"825\" data-end=\"843\"\u003e\n\u003cp data-start=\"827\" data-end=\"843\"\u003e38 mm diameter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"844\" data-end=\"873\"\u003e\n\u003cp data-start=\"846\" data-end=\"873\"\u003e50 mm (5 cm) focal length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"874\" data-end=\"937\"\u003e\n\u003cp data-start=\"876\" data-end=\"937\"\u003eSuitable for magnification and image projection experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"938\" data-end=\"983\"\u003e\n\u003cp data-start=\"940\" data-end=\"983\"\u003eIdeal for optics and light investigations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"985\" data-end=\"1183\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA valuable addition to homeschool science programs, co-op labs, and classroom physics curriculum, this lens helps students explore the principles of optics through engaging hands-on experimentation. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44996320886984,"sku":"A00246","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/ImageComingSoon.png?v=1718129602"},{"product_id":"red-laser-pointer","title":"Red Laser Pointer","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-28\" data-testid=\"conversation-turn-272\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3b851ebc-c4aa-4e57-88c0-ce82b316e05d\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"70\"\u003e\u003cstrong data-start=\"0\" data-end=\"70\"\u003eRed Laser Pointer – Pen-Style Laser for Light \u0026amp; Optics Experiments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"72\" data-end=\"393\"\u003eInvestigate the behavior of light with this pen-style red laser pointer, a compact tool perfect for homeschool and classroom physics demonstrations. The focused laser beam provides a bright, narrow line of light that allows students to clearly observe reflection, refraction, and beam direction during optics experiments.\u003c\/p\u003e\n\u003cp data-start=\"395\" data-end=\"704\"\u003eStudents can use the laser to trace light paths through lenses and mirrors, demonstrate straight-line propagation of light, and perform engaging activities involving diffraction and beam alignment. The pen-style design makes it easy to handle and aim during classroom demonstrations or student investigations.\u003c\/p\u003e\n\u003cp data-start=\"706\" data-end=\"723\"\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"725\" data-end=\"877\"\u003e\n\u003cli data-start=\"725\" data-end=\"756\"\u003e\n\u003cp data-start=\"727\" data-end=\"756\"\u003ePen-style red laser pointer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"757\" data-end=\"799\"\u003e\n\u003cp data-start=\"759\" data-end=\"799\"\u003eProduces a focused, visible light beam\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"800\" data-end=\"845\"\u003e\n\u003cp data-start=\"802\" data-end=\"845\"\u003eSuitable for optics and light experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"846\" data-end=\"877\"\u003e\n\u003cp data-start=\"848\" data-end=\"877\"\u003eCompact and easy to operate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"879\" data-end=\"1083\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA practical addition to homeschool science programs, co-op labs, and classroom physics curriculum, this laser pointer helps students explore the principles of light through clear, hands-on demonstrations. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44996507107528,"sku":"A00242","price":4.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/redlaser.jpg?v=1774378805"},{"product_id":"red-laser-pointer-copy","title":"Blue Laser Pointer","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-29\" data-testid=\"conversation-turn-274\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"e15a604b-3300-4552-a56b-a6e522d14190\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"71\"\u003e\u003cstrong data-start=\"0\" data-end=\"71\"\u003eBlue Laser Pointer – Pen-Style Laser for Light \u0026amp; Optics Experiments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"73\" data-end=\"384\"\u003eBring the study of light to life with this pen-style blue laser pointer, a powerful demonstration tool for homeschool and classroom physics labs. Its bright, focused beam allows students to clearly trace the path of light while investigating reflection, refraction, and beam direction during optics experiments.\u003c\/p\u003e\n\u003cp data-start=\"386\" data-end=\"651\"\u003eStudents can use the laser to explore how light interacts with lenses, mirrors, prisms, and diffraction setups. The vivid blue beam provides strong visibility for classroom demonstrations and makes it easy to follow the path of light during hands-on investigations.\u003c\/p\u003e\n\u003cp data-start=\"653\" data-end=\"670\"\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"672\" data-end=\"842\"\u003e\n\u003cli data-start=\"672\" data-end=\"704\"\u003e\n\u003cp data-start=\"674\" data-end=\"704\"\u003ePen-style blue laser pointer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"705\" data-end=\"755\"\u003e\n\u003cp data-start=\"707\" data-end=\"755\"\u003eBright, focused beam for optics demonstrations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"756\" data-end=\"810\"\u003e\n\u003cp data-start=\"758\" data-end=\"810\"\u003eSuitable for reflection and refraction experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"811\" data-end=\"842\"\u003e\n\u003cp data-start=\"813\" data-end=\"842\"\u003eCompact and easy to operate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"844\" data-end=\"1050\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA dynamic addition to homeschool science programs, co-op labs, and classroom physics curriculum, this laser pointer helps students explore the properties of light through engaging, hands-on experimentation. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44996509204680,"sku":null,"price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/bluelaser.jpg?v=1774378832"},{"product_id":"blue-laser-pointer-copy","title":"Green Laser Pointer","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-30\" data-testid=\"conversation-turn-276\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"d67d08d5-47a0-463a-b133-ab336ead9839\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"72\"\u003e\u003cstrong data-start=\"0\" data-end=\"72\"\u003eGreen Laser Pointer – Pen-Style Laser for Light \u0026amp; Optics Experiments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"74\" data-end=\"396\"\u003eMake the study of light vivid and engaging with this pen-style green laser pointer, a powerful demonstration tool for homeschool and classroom physics labs. The bright green beam is highly visible, allowing students to easily trace the path of light during experiments involving reflection, refraction, and beam alignment.\u003c\/p\u003e\n\u003cp data-start=\"398\" data-end=\"700\"\u003eStudents can direct the beam through lenses, mirrors, prisms, or diffraction setups to explore how light travels and interacts with different materials. The pen-style design provides comfortable handling and precise aiming, making it ideal for both instructor demonstrations and student investigations.\u003c\/p\u003e\n\u003cp data-start=\"702\" data-end=\"719\"\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"721\" data-end=\"873\"\u003e\n\u003cli data-start=\"721\" data-end=\"754\"\u003e\n\u003cp data-start=\"723\" data-end=\"754\"\u003ePen-style green laser pointer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"755\" data-end=\"786\"\u003e\n\u003cp data-start=\"757\" data-end=\"786\"\u003eBright, highly visible beam\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"787\" data-end=\"841\"\u003e\n\u003cp data-start=\"789\" data-end=\"841\"\u003eSuitable for reflection and refraction experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"842\" data-end=\"873\"\u003e\n\u003cp data-start=\"844\" data-end=\"873\"\u003eCompact and easy to operate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"875\" data-end=\"1085\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA valuable addition to homeschool science programs, co-op labs, and classroom physics curriculum, this laser pointer helps students explore optical principles through clear and exciting hands-on demonstrations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44996515102920,"sku":"A00108","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/greenlaser.jpg?v=1774378850"},{"product_id":"right-angle-glass-prism-need","title":"Right Angle Glass Prism","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6997505d-df94-832b-a9ec-aa3692137010-31\" data-testid=\"conversation-turn-278\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"61afd267-dd5d-4093-9ab3-debf239e6535\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"78\"\u003e\u003cstrong data-start=\"0\" data-end=\"78\"\u003eRight Angle Glass Prism – Optical Prism for Light \u0026amp; Reflection Experiments\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"80\" data-end=\"422\"\u003eDiscover the fascinating behavior of light with this right angle glass prism, a precision optical component ideal for homeschool and classroom physics demonstrations. Designed for exploring reflection and refraction, this prism allows students to observe how light bends, reflects internally, and changes direction when passing through glass.\u003c\/p\u003e\n\u003cp data-start=\"424\" data-end=\"693\"\u003eStudents can shine a light beam through the prism to investigate internal reflection, beam redirection, and the geometric behavior of light rays. Its clear optical glass construction provides sharp, visible light paths during demonstrations and hands-on investigations.\u003c\/p\u003e\n\u003cp data-start=\"695\" data-end=\"711\"\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"713\" data-end=\"910\"\u003e\n\u003cli data-start=\"713\" data-end=\"748\"\u003e\n\u003cp data-start=\"715\" data-end=\"748\"\u003eRight angle optical glass prism\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"749\" data-end=\"783\"\u003e\n\u003cp data-start=\"751\" data-end=\"783\"\u003eFace dimensions: 32 mm × 30 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"784\" data-end=\"809\"\u003e\n\u003cp data-start=\"786\" data-end=\"809\"\u003eLength: 40 mm × 50 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"810\" data-end=\"864\"\u003e\n\u003cp data-start=\"812\" data-end=\"864\"\u003eSuitable for reflection and refraction experiments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"865\" data-end=\"910\"\u003e\n\u003cp data-start=\"867\" data-end=\"910\"\u003eIdeal for optics and light investigations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"912\" data-end=\"1111\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA valuable addition to homeschool science programs, co-op labs, and classroom physics curriculum, this prism helps students explore the principles of optics through engaging hands-on experimentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Cornerstone Educational Supply","offers":[{"title":"Default Title","offer_id":44996538859720,"sku":null,"price":9.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0532\/5042\/5032\/files\/DSC09906.jpg?v=1776976984"},{"product_id":"convex-glass-mirror-38mm-diameter-200mm-focal-lens","title":"Convex Glass Mirror- 38mm Diameter, 200mm Focal Lens","description":"\u003cp data-start=\"0\" data-end=\"81\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eConvex \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eGlass \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eMirror \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003efor \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ePhysics \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eExperiments | \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e38 \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003emm \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eDiameter, \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e200 \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003emm \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eFocal \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eLength\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"83\" data-end=\"504\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eThis \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003econvex \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eglass \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003emirror \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eis \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ea \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003euseful \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ecomponent \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003efor \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ehands-\u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eon 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class=\"BZ_Pyq_fadeIn\"\u003eobserve \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ehow \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003econvex \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003emirrors \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003espread \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ereflected \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003elight \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eand \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ecreate \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003esmaller, \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eupright \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eimages. \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eIts \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ecompact \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003esize \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003emakes \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eit \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eeasy \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eto \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ehandle \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eduring \u003c\/span\u003e\u003cstrong data-start=\"460\" data-end=\"503\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eintroductory \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ephysics \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eand \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eoptics \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003elessons\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"506\" data-end=\"735\"\u003e\u003cstrong\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eConvex \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eMirror \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eSpecifications:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr data-start=\"535\" data-end=\"538\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e• \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eMirror \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ediameter: \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e38 \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003emm\u003c\/span\u003e\u003cbr data-start=\"562\" data-end=\"565\" data-is-only-node=\"\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e• \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eFocal \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003elength: \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eapproximately \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e200 \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003emm\u003c\/span\u003e\u003cbr data-start=\"601\" data-end=\"604\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e• \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eGlass \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ereflective \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003esurface\u003c\/span\u003e\u003cbr data-start=\"630\" data-end=\"633\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e• \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eCompact \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e1 × \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e1 \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003einch \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eapproximate \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003esize\u003c\/span\u003e\u003cbr data-start=\"670\" data-end=\"673\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e• \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eSuitable \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003efor 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class=\"BZ_Pyq_fadeIn\"\u003econcave \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003emirrors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1009\" data-end=\"1201\"\u003e\u003cstrong data-start=\"1009\" data-end=\"1026\"\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eDid \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eYou \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eKnow?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003e \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eConvex \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003emirrors \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003espread \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003elight \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003erays \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003eoutward, \u003c\/span\u003e\u003cspan class=\"BZ_Pyq_fadeIn\"\u003ewhich \u003c\/span\u003e\u003cspan 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