Engineering

Scientists program materials just by spinning them

There is something universally appealing about the slap bracelet, and the way a simple tap causes it to switch between a straight shape and a curled one. What you probably didn't know is that a slap bracelet's satisfying ...

Engineering

Move over cassette tapes, adhesive tape has memory too

Materials can store information about their past—like a crease in a piece of paper that has been unfolded is a "memory" of being folded—that can be retrieved or read out and used for various purposes. In everyday life, combination ...

page 3 from 10