Tagged With balls

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Video: If it looks like a roof and it's sloped downward like a roof, it should act like a damn roof and have stuff freaking slide off it, right? Not when it comes to Kokichi Sugihara's "Impossible Rooftop". Even if you place a ball on top of this model house's roof, it won't roll off. Instead, the ball will break physics, bend gravity and probably even time travel a little as it dances all around the roof's edges — until it finally settles on top of the roof's ridge.

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Video: Ever wondered how Wilson makes its fuzzy little tennis balls? Benedict Redgrove captured the entire factory process in Thailand and reveals the full 24 steps it takes to make the bouncy balls. That's a lot more steps than I ever imagined it would take, but the machinery involved is really interesting to see (especially that part where that thing slices up the lightning yellow wool), and the movement of materials is fascinating too (the goopy glue, the rubber and so on).

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Video: Here's a 500 watt halogen light bulb vaporising a ping pong ball. The wimpy plastic ball starts melting and then completely vanishes in seconds, leaving behind no evidence that it ever existed in the first place. It's the coolest way to dispose of anything. You can see it in slow motion at the end of the video as the plastic just flails away.

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Video: Mix a little dirt and mud, shape it with your hands and out pops a beautiful shiny mud ball that's actually the Japanese art of Hikaru Dorodango. It takes so much more work than that, of course, but it really looks like a person is just (skilfully) playing with mud. And then you see the finished product and see the uniqueness of each dorodango's surface and they look like their own little planets.

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Video: For a second, it seems like the tennis ball might have a shot at surviving the molten copper, because it seems like a force field surrounds the ball. But then that make-believe invisible layer gets destroyed and the tennis ball bursts into glorious flames. It gets even better when the fireball gets squished to release even more fire.

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Let's talk about balls for a second. They're super handy. They have done a lot for humans. And because of spherical objects, we have sports and automobiles. Heck — even the Earth is a giant ball.

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Video: Golf balls are really, really weird. Especially the old ones used over a hundred years ago. The dimpled shell can hide things like goose and duck feathers, wound rubber and all other sorts of colourful and bright polymers and rubbers and plastics. The current balls are super fancy, I wish each golf ball still hid the rubber that looks like tobacco leaves.

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Video: A tennis ball is squishy and bouncy and totally perfect for slow-motion fun. Watch as a tennis racket hits the fuzzy yellow green ball at 229km/h in slow motion, it's incredible. The more you slow it down, the more flattened and deformed and goo-like the ball gets. At a certain point, it looks like the ball has just been absorbed and eaten alive by the tennis racket.

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A 17-year-old male is now in coma after suffering a heart attack when a friend jokingly squeezed his testicles. Dr Irwin Goldstein — urologist and San Diego Sexual Medicine's director — says it's very possible to have a heart attack because the trauma can release a huge amount of adrenalin.

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After the design of Adidas' soccer ball at the 2006 World Cup was found to actually be unstable and unpredictable at higher speeds, Nike has capitalised on that mistake to secure a stronger foothold in the world's most-watched sport. Its latest creation, a ball called the Incyte, has already been adopted by leagues around the world, including the Barclays Premier League in England and the Serie A in Italy.

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I like that balls with baskets game very much and enjoy the hell out of Yao Ming, so it's no surprise that I really like this picture of Yao Ming miraculously painted with JUST a basketball. That's it! No brushes, no nothing. Just a basketball dipped in red paint, a few swipes and a lot of dribbles.

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There's something that's oddly hypnotic about watching this hand-cranked machine slice, drop and catch these small spherical rare earth magnets one at a time. The little 5mm ball magnets start out as a connected string, and are continuously fed through the contraption in a loop.

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Lobsters! Not only do they have delicious meat, their shells have use too! Researchers at the University of Maine have developed a biodegradable golf ball from lobster shells. It's cheaper than the typical biodegradable ball ($US0.19 vs $US1) and can be hit straight into the ocean without the environment weighing down on your game.

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So you're at the park, and you want to impress the sunbathing supermodels lying there, watching with gaping mouths as you prepare to launch your football into the air. But your spiral - it sucks. A geekier football might help.