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.
the DARPA âcheetahâ is the worldâs fastest running robot, capable of moving at speeds up to 18mph. engineers of DARPA (the US defense advanced research projects agency) have set a new land speed record for a legged robot with the âcheetahâ, capable of galloping at speeds of up to 18mph.