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Momentum of Exoplanets

When I think space stuff, I think solid, steady masses moving in organized orbits and rotations. But it turns out, they wobble! Isn't that kind of cute to think of a wobbling planet? Just me? [...]

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The Momentum of Swimming Dolphins

How do you design a robot that can swim efficiently under water? Scientists are studying the physics behind dolphin movement for the answer! (And if you're wondering why scientists are [...]