"With all of the tremendous advances that are taking place in our world of internet and wireless existence, a person may never consider that the 'holy grail' is in the field of battery life. You might have thought that it would be the next generation of wireless devices that allow you to project holographic images of the Google screen so that you can do web searches in mid-air in the airport. Yep, it's true =96 it's in the works! The restricting problem is that little-considered power source we simply take for granted. The simple battery. It has been confounding for a century now."