Petite Power: The 0.14-inch-tall motor nearly fits on the tip of a pen Courtesy Brett Watson/Monash University
An engine for running medical microbots.
Doctors have miniaturized almost everything they need to send robots inside your brain's blood vessels to treat damaged tissue. But making a motor small enough to squeeze past blood cells has held things up. Now, engineers at Monash University in Australia have built a micromotor that brings bitty 'bots closer to reality.
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