Are We Close to Star Trek Impulse Engines?

Hummmm… maybe. This article is interesting, but I would feel a tad more confident if it was reported by a physicist instead of a history professor!

Star Trek Impulse Engines (Smokeless Rockets)

Anyway, it is cool to think that we may be approaching the day that we can have a smokeless, energy based “rocket” engine! One half impulse, Mr. Sulu!