The SR-72 is the successor to the SR-71 Blackbird spy plane, which was the fastest plane to ever exist. Built by Lockheed Martin in the 1960s, the SR-71 could reach speeds exceeding Mach 3 (above 2,200 mph). That's over 3 times faster than the speed of sound. The recon jets went out of service in 1998. Development of the SR-72 was announced in 2013.
Coffee is slightly acidic and can have a stimulating effect on humans because of its caffeine content. Coffee is one of the most popular drinks in the world. It can be prepared and presented in a variety of ways (e.g., espresso, French press, cafe latte, etc.). It is usually served hot, although iced coffee is also served.
Red Bull is an energy drink sold by Austrian company Red Bull GmbH, created in 1987. In terms of market share, Red Bull is the highest-selling energy drink in the world, with 5.387 billion cans sold in 2013.Austrian entrepreneur Dietrich Mateschitz was inspired by an existing energy drink named Krating Daeng (Thai: à¸à¸£à¸°à¸à¸´à¸à¹à¸à¸, [kratÊ°iÅ krÃ tÊ°iÅ]), dÉËÅ which was first invented and sold In. thailandhe caffeine content of a single can of Red Bull is 80 mg/250 ml (32 mg/100 ml). This is about the same as one cup of coffee, or slightly less depending on the brewing method.