Physics
Heat makes water evaporate. Now it appears light can, too
In the lab, shining light on water made it evaporate faster. This never-before-seen effect, if real, might be happening naturally all around us.
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In the lab, shining light on water made it evaporate faster. This never-before-seen effect, if real, might be happening naturally all around us.
Researchers crafted tubes that can trick AI into mistaking one person’s voice for another’s. Bad guys could use such tricks to hack into accounts.
Lightning, stars, supermassive black holes and more give off radio waves.
Human ears don’t work well in the water. A mermaid would need marine creature features to talk to and understand her aquatic friends.
In a new experiment with bacteria, a lone photon sparked the process of turning light to chemical energy.
Sending a sound upwind, against the flow of air, actually makes the sound louder — only it doesn’t sound that way to the person making the noise.
With layers that work like polar bears’ skin and fur, a material absorbs light and keeps it from escaping.
A burst of light and a cloud of dust are signs that a distant star swallowed a giant planet.
The inner workings of microscopes, telescopes, eyeglasses and other lens-based devices rely on two important laws of optics.
The rainbow palette and cooling powers of new plant-based films comes from their microscopic surface patterns of tiny crystals.