China's new Walker S2 humanoid robot is capable of working without human intervention almost indefinitely.
A piece of metal thought to have come from the famed aviator's plane is set to undergo a battery of tests.
Boffins at the University of Washington have come up with a way to remove the need for charging entirely.
A new experimental aircraft has been designed to demonstrate the viability of battery-powered planes.
Researchers in Singapore have come up with a battery that can recharge within the space of a few minutes.