Medical devices made from aluminium can be disintegrated within the body by exposing them to eutectic gallium indium, a liquid metal at body temperature
Much research is under way to develop commercial autofocus lenses, but it could be some years before there’s a market-ready product that appeals to consumers
A high-channel-count microelectrode array that maps electrical activity in the spinal cord could lower the risk of neurological injuries during spinal surgery