More technology

I'm a little short on ideas today, so I'm going to share this:

http://money.cnn.com/galleries/2012/technology/1203/gallery.wild-inventions/?iid=GM

It's a slide show showing some interesting ideas in the prototype stage, some of which could be something else again. I particularly like the car-charging highway. (Although I would note it has a downside...some people might drive to exhaustion if they don't have to stop for gas).