Medical Definition of coprophilia. : marked interest in excrement; especially : the use of feces or filth for sexual excitement.
A scramjet (supersonic-combustion ramjet) is a ramjet engine in which the airflow through the whole engine remains supersonic. The highest speed attained by a rocket-powered airplane, NASA's X-15 aircraft, was Mach 6.7. The fastest air-breathing, manned vehicle, the SR-71, achieved slightly more than Mach 3. The X-43A more than doubled the top speed of the jet-powered SR-71.
An amazing new video from SpaceX shows the spaceflight company's incredible plans for a reusable mega-rocket. The 2.5-minute Falcon Heavy rocket animation shows the spaceflight firm's plans to land the three boosters of its giant rocket back on Earth after launching missions to orbit.paceX representatives expect to start flights of the Falcon 9 Heavy later this year. When Falcon Heavy lifts off later this year, it will be the most powerful operational rocket in the world by a factor of two, SpaceX representatives wrote in a video description.