Gamma rays are the only type of nuclear radiation that comes from energy instead of fast-moving particles. Remember that fission part especially. It's going to keep coming up as we discuss the inner workings of nuclear bombs. Nuclear Fission Nuclear fission is a reaction in which the ...
Current rail guns do not generate sufficient energies to enable nuclear fusion to occur, for example. And it will likely be 2015 before an all-electric battleship uses a rail gun to launch projectiles at an enemy. Still, the technology is promising. In 2003, the British Ministry of Defense...
In the simplest type of jet engine, called a turbojet, air is drawn in at the front through an inlet (or intake), compressed by a fan, mixed with fuel and combusted, and then fired out as a hot, fast moving exhaust at the back....
“What the president has is authority,” the State Department employee said. “That authority is legal in nature. The president can’t launch nuclear weapons. Doesn’t have the ability.” The ability is distributed across dozens of people, including the submarine crew and Missileers mention...
Hypersonic speed is five times the speed of sound. Scientists measure speeds this fast with a Mach number, named for Austrian physicist Ernst Mach. Sound has a speed of Mach 1 and anything Mach 5 or above is considered hypersonic. While the speed of sound changes depending on temperature and...
That speed is about 10 times faster than the space shuttle's orbital speed of 5 mi/sec (8 km/sec). To give you an idea how fast that is, you could travel from New York to Los Angeles in less than a minute with a solar sail vehicle traveling at top speed. If NASA were to ...
A supercomputer is not simply a fast or very large computer: it works in an entirely different way, typically using parallel processing instead of the serial processing that an ordinary computer uses. Instead of doing one thing at a time, it does many things at once. ...
Is China Winning the Aircraft Carrier Race? America Wants a Scaled-Up, Anti-Missile Iron Dome NJ Drone Sightings May Have Created a New Area 51 Quantum Sensors Could Make U.S. Subs Obsolete China Says It Has the Tech to Spy on American Subs ...
ballistic missiles and may be better suited to controlling escalation. Ballistic missiles, which fly high and fast, require different capabilities to intercept,” he added. “Iran is home to the largestballistic missile arsenalin the Middle East and has increasingly become a drone power ...
The world of fixed-wing carrier aircraft is a world of fast, high-performance jets often with stealth, powerful radars, and the ability to carry a hefty amount of air-to-air and air-to-ground munitions into combat. Just a handful of fighter aircraft in production dominate carrier flight de...