Wheels spin around and only touch the ground briefly, so they roll instead of slide — and rolling is way smoother than scraping.
Inventions And Technology - Facts for Kids
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Random Facts About Inventions And Technology For Kids
History & Development
The term “Artificial Intelligence” was first used in 1956 at a special meeting of scientists at Dartmouth College — that’s over 65 years ago!
Supersonic airplanes create a “sonic boom” when they break the sound barrier because they’re moving faster than the sound waves they produce!
Astronomy apps on iPads use the device’s sensors to identify stars and planets when you point it at the night sky.
The emergency evacuation slides on large aircraft must allow all passengers to exit in 90 seconds — and they can also function as life rafts if the plane lands on water!