They harnessed a spider’s physiology in the first step toward a novel area of research called 'necrobotics'.
which contracts, sending inner body fluid into their legs, making them extend. Preston's lab chose wolf spiders for their service, and testing revealed that they were able to lift more than 130 percent of their own body weight, and sometimes much more.
The team inserted a needle into the spider's prosoma chamber and created a seal around the tip of the needle with a glob of superglue. Squeezing a minute amount of air through the syringe was enough to activate the spider's legs, thereby activating the legs almost instantly. allow them to control each leg individually, and that will also be the subject of future research, Preston said."The dead spider isn’t controlling these valves," he said."They’re all open.
As the spiders are biodegradable, the engineers are certain of not introducing a big waste stream,"which can be a problem with more traditional components".
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