Since we're talking about batteries....
Hey, it's my first post!
I don't know if this prospective battery is any more believable, but since it came in my nanotechnology newsletter I figured I would post it up. Basically, this is a lithium ion battery that not only lasts and lasts, but also retains its charging capacity even as the battery gets old. It also charges to 80% capacity in about 1 minute. The secret is, of course, nanotechnology. Read it here:
The ending paragraph, about the company's financial state, is very interesting.