Energy & Green Tech

Research pinpoints factors for better battery design

You've probably experienced the dread of a suddenly dead phone that is glacially slow to recharge. Add to that earbuds or laptops that die at the most inconvenient times. And perhaps you've delayed shopping for an electric ...

Engineering

A transformer to drive the transition from AC to DC

EPFL researchers have developed a compact and efficient medium-frequency transformer. Their device is poised to enhance the flexibility and efficiency of tomorrow's smart grids and DC power distribution networks. An EPFL-made ...