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If you wanted to charge a Tesla with hamsters running on wheels, you'd need about 1,000 of them working non-stop. But if you used professional athletes on treadmills, just three Olympic sprinters could generate enough power in one hour.

Ever wonder what happens when you drop a bowling ball onto a trampoline from 50 feet up? Most people think it'll just bounce back, but the kinetic energy actually causes the trampoline mesh to stretch and deform, creating a massive temporary depression before the rebound occurs.

Here's something you probably didn't know about cats: when they slowly blink at you, they're actually showing trust. You see, cats are vulnerable when they close their eyes, so this slow blink is like them saying they feel safe around you. Pretty cool, right?

If you dropped a bowling ball and a feather in a vacuum chamber with no air, they'd actually fall at exactly the same speed. That's because gravity pulls everything equally, but air resistance usually slows lighter objects down. Pretty mind-blowing, right?

The electric bath was a popular treatment in the 1900s. People would sit in a metal tub filled with water while electrical currents passed through it. Doctors claimed it could cure everything from insomnia to arthritis, but patients would often receive painful shocks.

Did you know that when a cat purrs it's not just being happy, it's actually healing itself because the frequency of purring, which is around 25 to 150 hertz, can promote bone growth and tissue repair, meaning your cat is basically using sound waves as medicine.

Here's what happens when you hold your breath underwater too long. Your body starts panicking, your lungs burn for oxygen, and whoa, your brain starts shutting down functions. This can lead to unconsciousness and, yikes, even drowning. Not worth the risk, folks.

You won’t believe this guy’s knife throwing skills. This is Jiso a professional knife thrower. whose aim is so perfect it’ leave you speechless. Every single time he throws a knife, it spins through the air and lands exactly in the center of the target. like he’s got some built-in computer targeting system in his eyes. And get this —Jiso says he started training when he was just five years old, which is why he’s now an absolute master of the craft.