Numerous bits of orbiting debris threaten spacecraft, so two teams propose tracking them with unique license plate-like transponders.
On an April weekend, engineers, designers and astronauts-in-training met to test suits for commercial, suborbital spaceflight.
The innovation could one day help marine biologists eavesdrop on whales and equip submarines with more sensitive sonar.
Plastic tracks could reduce the cost of Olympic “sliding” events and make the sports more environmentally friendly and accessible.
Some of the so-called “hygrobots” can spontaneously advance across a wet surface.
An inexpensive handheld sensor may simplify testing for pesticides on fruits and vegetables – but won’t replace government monitoring.