World’s smallest autonomous robots are 'smaller than a grain of salt,' cost one penny apiece — researchers expect new micron-scale fully-programmable robots to be used in medicine, microscale manufacturing, and other areas

https://www.tomshardware.com/maker-stem/robot-kits/worlds-smallest-fully-programmable-autonomous-robots-are-smaller-than-a-grain-of-salt-cost-one-penny-apiece-researchers-expect-new-micron-scale-robots-to-be-used-in-medicine-microscale-manufacturing-and-other-areas