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 ...

Researchers at the University of Pennsylvania and University of Michigan have created what they describe as“the world's smallest fully programmable, autonomous robots”: microscopic swimming machines ...

Scientists from the University of Pennsylvania and the University of Michigan have created the world's smallest programmable robots. These tiny machines are so small that they are nearly invisible to ...