Memories of the cold war have been raised from the dead this week with the confirmation from Russian officials they are testing an energy gun that would essentially turn people into zombies. The "psychotronic" gun would not only inflict pain but also attack the central nervous system leaving enemies scrambled.

Having to shoulder a wounded comrade is never a question for soldiers, but having a method to do it more efficiently in close combat has been a needed innovation. A new device called an Injured Personnel Carrier (IPC) has now been designed to replace the old over-the-shoulder method by creating a sling — or human backpack — to free up a soldier's hands to navigate evacuation.

The randomized patterns of camouflage tricks the brain into thinking a person or object has blended into its surroundings, and to date we've seen it customized for various seasons or regions. A big problem however is the patterns have never really been created for exact environments. Now, a software design firm has developed a method for making site-specific camouflage

The Navy's new X-47B drone is getting an upgrade that'll greatly increase the distance it can fly from its aircraft carrier home base: the ability to refuel in the air.