Mobile robots used by the military and law enforcement agencies require a robust communications link for successful mission executions. Such mobile robots are increasingly used in life-threatening situations and hazardous environments, rendering a solid communications link to be of vital importance. Tactical mobile robots used in military and law enforcement operations …

The jet engine is the most complex element of an aircraft and one of the most complex human-made products ever developed, housing thousands of individual components — and ultimately determining fuel efficiency for aircraft   All turbines operate on similar principles: A gas or other fluid turns a rotor, which …