Small robots can't move by themselves but slide when they team up

Little robots shaped like staples called "smarticles" can't move around on their own, but researchers have now found that they can randomly form structures with other robots to move about

Small robots can't move by themselves but slide when they team up
Little robots shaped like staples called "smarticles" can't move around on their own, but researchers have now found that they can randomly form structures with other robots to move about