The power of the grippers comes from employing natural tension, like that in springs.

FORBES: Breakthroughs

The grippers were also sent after a tough target to test their strength, bovine bladder tissue.

FORBES: Breakthroughs

When she tried them later, she came around a bit, but spent more time saying the silicone grippers pinched her nose than reveling in the potential future applications of such technology.

ENGADGET: Living with Google Glass, Day Two: Around the House