Nano-sized 'yolks' should lead to longer-lasting batteries
 

Those eggs you might have had for breakfast? They're not just food -- they may be the key to longer-running batteries in your devices. Scientists at MIT and Tsinghua University have developed a nanoparticle battery electrode whose egg-like design i...

http://www.engadget.com/2015/08/10/n...cid%3Drss_semi