Here's how your key works:
Look how quickly a traffic jam can form:
Here's the Berlin subway map, compared to where the trains actually run in the city:
Here's how dogs drink:
If you've ever wondered how straight lines work on curved surfaces, here's your answer:
Here's what it looks like when you shift gears on your car:
And here's a peek at the inside of a grenade when you pull the pin on it:
Ever get a really close look at a tattoo gun in action?
Why your fan moves back and forth when you push down that little button on the back:
And here's how the zipper on your jeans works:
Imagine how much it'd hurt if braces worked this quickly:
This is what the actor inside Big Bird is up to in there:
Did you even realize that you could bore square holes with a round drill?
You can't beat a handmade pretzel, but this machine is certainly trying its best:
And this machine is hard at work turning wire into paper clips:
Have you ever given any thought to what happens when you pull the trigger on a gun?
Here's how a ship makes its way through the Panama Canal:
And, saving the best for last, here's how ice cream cones are formed:
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