Reviewed on November 21, 2008The Voltaic Backpack's thoughtful design and solar-charging features shine for keeping cell phones, handhelds, MP3 players, and digital cameras charged away from electrical outlets.TAGS:backpack, fabric, cell, pocket, adapter, battery, MP3 player, MP3, laptop computer
March 21, 2007Researchers develop microscale particles shaped like letters that could eventually be used to tag cells inside humans.Images: Microscale particles shaped like lettersTAGS:cell, nanotechnology, letter, paper, researcher, object
May 22, 2007Companies hoping to sell an inexpensive solar technology have had to delay commercial production of their products or change their product line.TAGS:silicon, cell, efficiency, factory, manufacturing, CEO, process