New Cool Up-and-Coming Travel Gadgets - July
Scientists invented a battery that could work for a decade without degrading
http://www.appy-geek.com/Web/ArticleWeb.aspx
Energy storage degradation in rechargeable batteries is a pretty serious problem that many of us put up with on a regular basis. It's why your iPhone seems to last forever when it's brand new out of the box but seems like it dies by lunchtime after a couple of years of use.