How We Use Crystals To Tell Time
Engineering / Breakthroughs
Quartz clock operation is based on the piezoelectric property of quartz crystals. If you apply an electric field to the crystal, it changes its shape, and if you squeeze it or bend it, it generates an continue reading this fact
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Taming Twin Tornadoes
Engineering / Flight
Every time a jet airplane flies through the sky, it creates two invisible tornados. They're not the kind of tornados that strike in severe weather. These tornados are called vortices and can cause pro continue reading this fact
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Ants Are Wimpy
Engineering / Simple Machines
It's common knowledge that ants can lift many times their own weight. We are frequently told they can lift 10, 20, or even 50 times their weight. It is most often stated something like this: an ant ca continue reading this fact
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