John Carmack interview - We check out the legendary programmer's VR headset

Few will deny the genius of legendary id programmer John Carmack, one of the minds behind the original Doom. Now, while his company (which was recently purchased by Bethesda) works on a new, unannounced game (that's most likely Doom 4), the mad scientist has turned his direction to hardware.

At E3 we had a chance to talk to him about his latest invention - a strange, alluring virtual reality headset - and to find out exactly why he thinks now is the time for VR.