Physics
Physics explains why poured water burbles the way it does
The loudness of falling water depends on the height of the pour and the thickness of the stream.
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The loudness of falling water depends on the height of the pour and the thickness of the stream.
Piezoelectric materials turn mechanical energy into electrical energy — and vice versa.
Voltage is a measure of how much electricity is available to power devices.
Radiation is the motion of energy through space as waves or particles.
When endangered Hainan gibbons started making risky leaps across an area mowed down by a landslide, researchers provided them a rope bridge.
Solar power is a way to harness energy from the sun, and lessen our reliance on fossil fuels.
An accidental discovery helps scientists generate electricity out of thin —but humid — air with bacteria-made protein nanowires.
A new device exploits the contrast between bright spots and shade to produce a current that can power small electronics.
Researchers have mimicked the first stages of planet formation in the lab. All they needed were glass beads and a catapult.
Researchers have upped the efficiency of layered solar cells that could be printed or painted onto surfaces. Now they are working to make them more rugged.