Good Grief.The U.S. Navy yesterday test fired an incredibly powerful new big gun designed to replace conventional weaponry aboard ships. Sci-fi fans will recognize its awesome power and futuristic technology.
The big gun uses electromagnetic energy instead of explosive chemical propellants to fire a projectile farther and faster. The railgun, as it is called, will ultimately fire a projectile more than 230 miles (370 kilometers) with a muzzle velocity seven times the speed of sound (Mach 7) and a velocity of Mach 5 at impact.
The test-firing, captured on video, took place Jan. 31 in Dahlgren, Va., and Navy officials called it the "world's most powerful electromagnetic railgun."
Then the Germans are working on evironmentally friendly explosives.
Environmentally Friendly Bombs Planned
http://news.yahoo.com/s/livescience/20080527/sc_livescience/environmentallyfriendlybombsplanned [Broken]After the bombs were detonated in the laboratory, G2ZT also proved as powerful than TNT, and HBT more powerful than TNT and comparable to RDX, said researcher Thomas Klapötke, a chemist at the University of Munich in Germany.
In initial experiments, G2ZT and HBT produced fewer toxic byproducts than common explosives. Still, they did generate some dangerous hydrogen cyanide gas. But mixing these compounds with oxidizers not only avoids making hydrogen cyanide, but also improved performance, Klapötke said.
These compounds have great potential, "especially for large caliber naval and tank guns," Klapötke added.
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