Consumer & Gadgets

Now everyone can build battery-free electronic devices

Last year, computer engineers from Northwestern University and Delft University of Technology (TU Delft) introduced the world's first battery-free Game Boy, which harvests both solar energy and the user's kinetic energy from ...

Energy & Green Tech

Britain runs coal power stations amid energy crisis

Britain, which faces soaring natural gas prices, has been forced to run coal-fired power stations in order to secure energy supplies, electricity generation company Drax said on Thursday.