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.
Watch Nasa fire the engine that will power the biggest rocket ever made: Key test for giant 384 foot tall rocket that could one day take man to Mars. 1  Construction of the Space Launch System has already begun. 2  Rocket will eventually be 384 feet tall and weigh 6.5 million pounds.