It took them six years, but a team of lonely Japanese scientists built themselves a robotic dance partner. The Partner Ballroom Dance Robot, which moves around courtesy of three hidden wheels, is still a couple of upgrades a way from replacing the real thing (which means you won't be sweeping any competitions Strictly Ballroom-style), but it can follow your lead by analyzing your movements. Oh, and for all the ladies, there's a male version in the works.

[Via Near Near Future]