iPad 3 Vs. iPad 4. What's Changed Exactly?
Last night must have been a bit of a blur for Apple fans the world over. Not only did Tim Cook and co. take to the stage to unveil the long-mooted iPad Mini, but the company revealed new upgrades to the iMac (calling it “the most beautiful iMac we have ever made”), Mac Mini and lifted the curtains on a 13-inch ‘Retina’ MacBook Pro. But there was yet one more announcement, and that was for the iPad 4.
US Army Tests 50 Billion Watt Lightning Bolt Laser Weapon
Imagine a weapon capable of firing 50 billion watt-powered laser-guided lightning bolt targets at enemies, and able to put out more power during the duration of the laser pulse than what a large city needs. While that might sound reminiscent of advanced warfare videogame or high-concept blockbuster, the device is in fact entirely real and has already been through extensive testing by the US armed forces.