Lithium-metal batteries are among the most promising technologies for energy storage. They offer significantly more energy in ...

A short circuit in one of the Large Hadron Collider's eight magnet sectors will delay the restart of the world's most powerful particle accelerator, Europe's CERN particle physics center announced ...

All electrical systems are susceptible to short circuits and the abnormal current levels they create. These currents can produce considerable thermal and mechanical stresses in electrical distribution ...

WSJ's Joanna Stern and Geoffrey A. Fowler meet Pepper, a robot that understands and expresses humanlike emotion. TOKYO—Japan’s humanoid robots are struggling to find homes.