motion
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Tiny eye motions help us see a steady world
Even though your eyes move constantly, you see the world as stable, not blurry. New research clarifies how tiny movements make it happen.
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‘Butterfly bot’ swims 4X faster than past robots
"Butterfly bot," a soft robot that swims the butterfly stroke, gets its inspiration from the biomechanics of the manta ray.
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Noodle bot gets through mazes on its own
Soft ribbon robots that look like translucent rotini use heat to get around mazes without any help from humans or computer software.
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Cilia’s push turns sperm into super swimmers
Carpets of tiny hairs called cilia that line the inside of the fallopian tubes give sperm the extra boost they need to be super swimmers, a new study shows.
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Why too many walkers cause bridges to wobble and sway
Researchers have a new explanation for why pedestrian bridges wobble and sway: Too many people are crossing at once and simply trying not to fall over.
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Finger snaps are one of the fastest motions humans can create
"The finger snap occurs in only seven milliseconds, more than twenty times faster than the blink of an eye, which takes more than 150 milliseconds."
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Soft, stretchy liquid metal turns motion into power
A new liquid metal can turn motion into energy, even when completely submerged in water.
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How will self-driving cars deal with motion sickness?
What good will self-driving cars be if your ride makes you feel motion sick? Now, researchers are figuring out how to give future riders a smoother trip.
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‘Sea Monkeys’ show how tiny critters churn ocean
Swarms of tiny organisms like krill can create enough turbulence to redistribute ocean waters. The idea "has been almost heretical in oceanography."
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Ocean ‘bathtub drains’ pull flotsam together
“It is much like the spinning vortex that forms in a bathtub: Water sinks in a small region, but water from much larger region moves toward the vortex...”