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Drone Swarms as You Know Them Are Just an Illusionfor Now

Drone Swarms as You Know Them Are Just an Illusionfor Now

Look at all the pretty drones. Hovering above sports stadiums from Houston to Pyeongchang, many hundreds of them have lately sparkled in artful murmuration. On a recent Time magazine cover, 958 drones pixelated the sky. The world record, 1,374 LED-bedazzled ...

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How Big Can a Solar-Powered Drone Be?

How Big Can a Solar-Powered Drone Be?

With my default estimations, I get a rotor diameter of almost 5.9 centimeters. That seems fairly reasonable. But what if you increase the mass? What about the size of the solar panels? Yes, now you can change these things with ...

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Three Science Experiments You Can Do With Your Phone

Three Science Experiments You Can Do With Your Phone

Everyone already knows that you are carrying around a computer in your pocket. But your smartphone is more than just a computer—it's also a data collector. I'm going to guess that yours can measure acceleration, magnetic field, sound, location, and ...

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America’s hottest export? Sperm

America’s hottest export? Sperm

An American and a Danish company dominate the global sperm market and both claim their supply is biggest Ella Rasmussens doctors started to prod her about children when she turned 30. She was single, suffered from endometriosis, and contemplated a ...

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