MistrX writes: (PhysOrg.com) — If the latest theory of Tom Weiler and Chui Man Ho is right, the Large Hadron Collider – the world's largest atom smasher that started regular operation last year – could be the first machine capable causing matter to travel backwards in time. Link to Original Source
Of course you can't flap your arms and fly to the moon. After a while you'd
run out of air to push against.