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.
New study on how cans crumple sheds light on general mechanical properties of metal cylinders.