You will never fly to far-away holiday destinations by electric plane There are physical limitations that we can never overcome, one physicist says.
Smartphones still need to be charged daily. So what's happened to the battery revolution we've been promised? The media often portray laboratory results as market-ready products, one battery researcher says.
A silicon sprinkle for electric cars The driving range of electric vehicles can be increased by 25 percent if silicon replaces graphite in their batteries. A new manufacturing method creates nanopowder sprinkles that can do the job.