The Large Hadron Collide which is a joint European project can be used for time travel, one of the admissible models of a working time machine is the so-called wormhole and the LHC in Europe can make particles collide with high energy creating a worm hole in theory. Will this make the European powers rule the World once more? What will we do with this technology once we get it.
Just look at Closed time like curve
http://en.wikipedia.org/wiki/Closed_timelike_curve
Just look at Closed time like curve
http://en.wikipedia.org/wiki/Closed_timelike_curve