stackyFACTSUsing intersecting lasers to trick human eyes into seeing three-dimensional structures that do not exist, effectively weaponizing photons to amuse ourselves.
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That shiny dove on your plastic isn't a flat picture. It is a three-dimensional interference pattern physically stamped into metal foil, meaning the image…
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Engineers absolutely require highly durable and profoundly scratch-resistant transparent materials to protect the delicate optical lasers inside heavy-use…
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Refracting light through giant lenses acts like a cheap carnival trick, splitting wavelengths and creating awful colored halos. Isaac Newton bypassed this…
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Bouncing light off the inside of a glass tube sounds like a toddler's science fair project, but it currently handles every digital transaction on the planet.…
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Measuring fractions of a millimeter perfectly by eye seems impossible. Vernier calipers use two slightly mismatched sliding scales. By simply looking for the…
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Starlight gets hopelessly blurry when passing through Earth's turbulent atmosphere. To compensate, astronomers fire massive, bright lasers straight up into…
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