Measuring just 200 by 300 by 50 micrometers — smaller than a grain of salt and roughly the size of a single-celled paramecium ...

Bacteria-scale robots that can run for months without human control are no longer a lab fantasy. Researchers have now built fully programmable micro-machines, smaller than a grain of salt, that can ...

Smaller than a grain of salt, the light-powered bots can think, sense and act on their own, opening up new possibilities in manufacturing and medicine Researchers at the University of Pennsylvania and ...

Forbes contributors publish independent expert analyses and insights. Journalist, analyst, author, podcaster. We’ve digitized sight, and we’ve digitized sound. But touch, one of the most important ...