# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2012-08-19 17:15:06 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/237236257749602306) Penny-Sized Ion Thrusters Could Steer the Satellites Of the Future http://t.co/55CEDfZn