
Physics
Let’s learn about the quantum realm
On the smallest scales, the universe behaves in some pretty strange ways.
Come explore with us!
On the smallest scales, the universe behaves in some pretty strange ways.
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Nuclear fission is the process of splitting atoms apart to release huge amounts of energy.
Super-small structures on the Arctic animals’ paws might offer extra friction that keeps them from slipping on snow, a new study concludes.
The force of friction always acts to slow things down. It depends on just two factors: the surfaces and how hard they press together.
Like clockwork, radioactive forms of some elements shed parts of themselves as they attempt to become nonradioactive.
Knowing the decay rate of radioactive elements can help date ancient fossils and other artifacts.
Carbon-14 dating of recent artifacts will soon give scientists confusing results. That’s another price society pays for its reliance on fossil fuels.
Individual seeds on a dandelion release most easily in response to winds from a specific direction. As the wind shifts, this scatters the seeds widely.
Tiny spectrometers might someday show up on smart devices. They could help people scan for ingredients or contaminants in foods and other materials.
This property causes materials — including some animals’ skin, fur or feathers — to glow under light.