Injectable Walking Microrobot

Mar-08-19 A four-legged robot able to walk through the body can be injected with a standard hypodermic needle.

Developed using the latest nanofabrication techniques, each tiny robot is one of up to one million cut from the same 4-inch silicon composite wafer. The robot’s body includes a collection of solar cells that will create a current when exposed to a laser, causing the legs to bend in a pattern that moves the bot forward. Currently, the laser light can only penetrate a very small amount beneath the skin, but the team is working on alternative power sources.

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[NEWATLAS.COM]
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