The Tractor Beam

Energy manipulation behind the tractor_beam. 

www.wired.com/wiredscience/2012/06/light-tractor-beams

http://physics.nyu.edu/grierlab/conveyor7c ,
http://phys.org/news/2012-10-physics-duo-tractor-dual-bessel.html 

www.newscientist.com/article/dn22406-tractor-beam-built-from-rings-of-laser-light.html,

http://io9.com/5954567/physicists-demonstrate-an-actual-tractor-beam-in-the-lab

http://en.memory-alpha.org/wiki/Tractor_beam, http://starwars.wikia.com/wiki/Tractor_beam ,

www.businessinsider.com/nyu-scientists-are-seriously-working-on-a-tractor-beam-2012-10 ,

www.dailymail.co.uk/sciencetech/article-2222525/Real-life-Star-Trek-tractor-beam-developed--wont-dragging-space-ships-time-soon.html