Uploaded May 2025 | Updated September 2026, 2 weeks ago

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Optics like lenses and prisms bend and reflect light in everything from medical devices, to telescopes, to laser welding!

Watch how these different optics manipulate laser light as they rotate

We have lots of other more in-depth videos explaining things like how lenses focus light or why light totally internally reflects in prisms

#optics #science #physics #stem #photonics #engineering