
Physics
Does the size of a parachute matter?
How does a parachute work? Do bigger parachutes work better than smaller parachutes? Find out in this science project whether the size of the parachute matters.
Come explore with us!
How does a parachute work? Do bigger parachutes work better than smaller parachutes? Find out in this science project whether the size of the parachute matters.
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Sewage sludge. Cow dung. They’re not just waste — scientists are finding uses for processed poop in construction materials.
Bits of airborne salt may help raindrops form, removing water from clouds before it can freeze as part of the process that makes lightning.
For the first time, flying drones have 3-D printed structures. In the future, such drones might be able to build in hard-to-reach places.
Animals and other life on Earth exhale carbon dioxide, which plants use for photosynthesis. But too much of this gas can perturb Earth’s climate.
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.