About 6 months ago, the EM Thruster was making the news and it was a reaction-less thruster – meaning it violates Newton’s 3rd Law of Motion. This was even discussed on the NASA website. You can read about it here: http://emediapress.com/2015/11/12/em-space-drive-apparently-violates-newtons-3rd-law/
Dr. Athanassios Nassikas has filed a patent for another reaction-less thruster, but this one apparently doesn’t require any other input other than a permanent magnet. Also, the amount of thrust appears to be way more than any other reaction-less thruster. It is estimated from the tests that the weight to thrust ratio is 9 TIMES GREATER than an engine on a Space Shuttle.
Keep in mind that this is still in the early developmental phase but it is something that you can help to support if you feel it is a worthy cause. Check out this video narrated by Dr. Paul LaViolette:
If you want to help support this project, go here: https://igg.me/at/levitation-thruster/x/2343214