The researchers turned to hydrogels, which are water-rich, jelly-like polymers that respond to temperature and chemicals. But ...
This octopus-inspired smart skin can change shape and reveal hidden secrets on command.
It is Carnival season in New Orleans. That means gazillions of plastic green, gold and purple beads are being tossed to crowds.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results