After Hours

Photos: One ultralight, 160 AA batteries

There's hardly a gadget in the world today that doesn't require AA batteries--but 160 of them? That's how many it takes to power this ultralight being set up for launch by students of the Tokyo Institute of Technology on Saturday.

Yoshikazu Tsuno/AFP/Getty Images

By Bill Detwiler

Bill Detwiler is Editor in Chief of TechRepublic and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the ...