News, Wasp like drones lifting heavy weight
You might know wasps for their ability to brainwash cockroaches or inflict one of the most painful stings on Earth—one so powerful that the actual scientific advice to victims is to just lie down and scream until it passes. Lesser-known is the wasp’s superlative ability to carry loads that are unexpectedly heavy given the creature’s size. Engineers want drones to do the same. So a new class of robots, known as FlyCroTugs, takes a cue from these feisty fliers. On the surface, they look like regular old quadrotors that would fit in your palm. But the secret is hidden away on their bellies. While sitting on the ground, one version of the machine uses hooks to snag bumps and pits to anchor itself to the surface like a wasp’s claws do, while another version uses a pad to stick to a smooth surface. The machines can then use a tiny winch to lift and drag things up to 40 times their own weight.
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