Jet travels more than 13,000 mph (Mach 20) thanks to sleek aerodynamic systems

It’s amazing that this Hypersonic jet was able to travel more than 13,000 mph with heats of over 3,500 degrees. During flight it experienced shockwaves, 100 times more powerful than expected, which caused it to spin. It then righted itself and flew for twice as long before technicians finally aborted the mission. The full story: …

The Army’s secret Arctic underground nuclear base in Greenland

No, this picture doesn’t show a black and white image of the rebel base on the ice planet Hoth. It’s part of a semi-secret, nuclear-powered U.S. Army base that was built under the Greenland ice cap only 800 miles from the North Pole. The base was officially built to conduct scientific research but the real …

China’s meteoric rise makes it the second largest app economy

Flurry recently quantified China’s meteoric adoption of iOS and Android applications. While China ranked 10th in application sessions at the beginning of 2011, it finished the year in 2nd place, only behind the United States. With its large population and rapidly emerging middle class, adoption of apps vaulted China into the position of world’s 2nd …