Is the image actually there, or is your brain playing tricks? Some images can be projected...
The "fish-eye" view that keeps the world safe. These outward-curving mirrors are...
Bending light inward for a closer look. From makeup mirrors to giant telescope reflectors,...
The physics of your morning routine. A flat mirror seems simple, but it creates a perfect ...
Making the invisible visible. Whether peering at a distant galaxy or a microscopic cell, w...
The most sophisticated autofocus system on the planet. Our eyes constantly change shape to...
The art of scattering light to see the bigger picture. By pushing light rays apart, these ...
Bringing the chaos of light into a single, sharp point. These thicker-in-the-middle lenses...
Why does a straw look broken in a glass of water? When light moves from one material to an...