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: …

All of Major League Baseball is now on Pinterest

Despite its reputation as a female-dominated social network — or perhaps because of that? — every team in Major League Baseball is now actively using Pinterest. All 30 MLB teams also have official pages on Google+ and officials blogs on Tumblr. And the league itself also has an official presence on all three social networks.     …