Physicists have developed a method for moving microscopic particles with the flick of a light switch. Their work relies on a blue light to prompt colloids to move and then assemble—much like birds flock and move together in flight.
Physicists have developed a method for moving microscopic particles with the flick of a light switch. Their work relies on a blue light to prompt colloids to move and then assemble—much like birds flock and move together in flight.