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 world's fastest go-kart: $60,000 fan powered vehicle can go from 0-60mph in just 1.5 seconds. 1  C5-Blast Ultimate uses an electric engine helped along by fans. 2  These provide both a forward thrust and help lift the kart up, reducing its weight. 3  Future versions could be able to skim the ground or even fly.