tricks
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How to Screen Record on Macs and MacBooks
It’s never been easier to record your screen on Macs with a simple keyboard shortcut.
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This Dude Can Make A Basketball Spin On Damn Near Anything
Video: “The Tricky” is a pro streetballer in Serbia who either has total control over inanimate objects or the ability to bend gravity, because he can make a basketball spin on pretty much anything that can loosely resemble a finger. That means the corner of books, the tips of pens, the bottom of Coca Cola…
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Illusion Somehow Transforms Rectangles Into Circles In The Mirror
Video: What sorcery is this? Kokichi Sugihara’s ‘Rectangles and Circles’ illusion is a mind-bending visual trip that turns squares into circles and circles into squares right in front of your face. Different shapes are placed at a mirror and what you see in front of you is totally different from what you see in the…
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The Mathematical Explanation For Why You Can’t Catch A Falling Dollar Bill With Your Fingers
Here’s a really interesting mathematical explanation on how the “catch a dollar” trick works. You know the trick: a person holds a bill vertically and says you can keep the bill if you can catch the dollar with your fingers when it drops. You never catch it. It’s really hard! Why?