Technology:The Human Edge（10）
The amazing new video pill bristles with electronics. Stay connected and find out what it could see on a trip through you. Today, thanks to higher gas prices and tougher environmental standards, electric cars are making a comeback at least, halfway. We're looking at the fundamental design, how you can use an engine, an electric motor and a battery pack to get the highest efficiency and the lowest emissions.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/3/11 15:03:55