
Scientists Use Temperature to Tune a Tiny Laser's Color

Scientists Use Temperature to Tune a Tiny Laser's Color

Study Suggests Brainless Brittlestars Have Sophisticated Visual System

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Scientists Spin Microscopic Particles with Laser Beams

New Material Reverses Snell's Law

Atoms in 3D

Business for Breakthrough Opto-chip

Why are rainbows curved? Is it because of refraction in the drops of water?

Why do the moon and the sun look so much larger near the horizon than they do high up in the sky? I have heard this called the "moon illusion" or the "Problem of Luna Mendex." Is it an illusion of the eye?

A Fiber Named Roy G. Biv

The Laser at (About) 40

Can a pocket laser damage the eye?

Light Twisters
Photonic crystals promise advances in communications and optical computers