Sometimes the comments are better than the content…
ricewookie: uhh fan?
rmessenger: No, this is a prototype VASIMR engine in a vacuum chamber. This could very well take people to Mars in less than a month. Even take humans to Jupiter’s moons and the outer solar system. It’s not a fan.
Read the wikipedia article on VASIMR rockets.

A few months ago, before we had moved into our new house, I decided that one of the small things I couldn’t wait to do was to install a knife rack.