Device on head?

[Time_Traveller]

Should the future army have a device on the head to shoot people like in this video - and

[Prolite]

The army will. In fact, DARPA is already working on it. I read about it the other day in Google's main news page. It's a device that fits over the person's eyes which can see many spectrum's of light, and has GPS and other cool things like being able to view an area from any point-of-view including directly behind them.