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Popping water balloons in space! Without gravity, surface tension pulls the bulk of the water together again into new blobs, even after the energy release from breaking the skin!

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Don Pettit

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121,725 просмотров • 1 месяц назад •via X (Twitter)

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High speed frame by frame video of popping water balloons in 0g. It only takes 1-2 frames for the balloon skin to contract leaving the body of water to residual forces without the effects of gravity. Original movie shot at 420 frames per second and each frame sequentially shown for 1/2 second.
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Even the simple act of drinking water is more fun in microgravity. Surface tension in action, science in every sip!
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The Rehbinder effect is a phenomenon in physics that reduces the hardness and ductility of a material by a surfactant film. A surfactant is a substance that lowers the surface tension of a liquid, such as water. When a ceramic cup is submerged in water, the water acts as a surfactant and weakens the bonds between the atoms on the surface of the cup. This makes it easier to pierce the cup with a nail without breaking it.
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What do I miss in space other than my family? Weather! I miss wind and rain and the feeling of water because here in space, water floats! That's why we're here; we're doing experiments because we can take gravity out of the equation like I've done with the water here.
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WORSHIP UNDER ATTACK “They weren’t throwing water balloons. They were throwing water balloons filled with urine at Christians… assaulted for the high crime of worshiping Jesus in a public space.” —Pastor Russell Johnson Seattle’s mayor blamed the church — not Antifa — after police and worshipers were hurt. Let that sink in.
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they’re popping out of the water 😮‍💨
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