Most of guys in lab are studying plasma electoric propulsion system , which thrust is poor as 0.01~1NS , however it 's efficiency is awesome ! ! , ten times efficient than normal chemical ones , which is usually used in normal rocket like space shuttle .
Most of the guys in the lab are studying plasma electronic propulsion systems , the thrust of which is poor , 0.01~1 Nm , however , it 's efficiency is awesome ! ! , ten times more efficient than normal chemical ones , which are usually used in normal rockets like space shuttles .