When we think of the fastest fighter jets that have ever been made — whether they still in use or long retired — it's mostly twin-engine aircrafts. That makes sense, as the power of multiple engines ...

Bob Maddox’s stage name, Crazy Rocketman, is a misnomer. Maddox doesn’t build rockets. He builds pulse-jet engines. There’s a difference. As for the crazy part—that may be true. Maddox is the world’s ...

Two is one and one is none; This saying speaks volumes about the role of redundant systems within the military. In life-or-death situations such as combat, having a working backup could mean the ...