How Tracing Paper Sank a Nuclear Sub; HMS Trafalgar: The [Pounds Sterling]300million Submarine Struck the Seabed during a Training Exercise Because Navigational Charts Were Obscured
Left: Tomahawk cruise missile launched from the USS Merrill Right: Tomahawk cruise missile launched from nuclear submarine USS La Jolla Photo courtesy U.S. Department of Defense When you hear about hundreds of cruise missiles being fired at targets, they are almost always Tomahawk cruise missiles...
David takes control of a Nuclear Submarine and the story is a classic one – take a bunch of people labelled poor performers and turn them around to become the top team. The interesting thing to reflect on is that David achieved this using the same technology as all other similar class su...
Nuclear explosions and radioactive atoms generate these rays. Gamma rays can kill living cells, and medical professionals sometimes use them to destroy cancerous cells. In deep space, gamma ray bursts occur daily, but their origins are still a mystery. Read on to find out the difference ...
The Pentagon revealed Sunday that an Ohio-class submarine — a nuclear-powered vessel — crossed through the Suez Canal. Ohio-class subs can carry 154 tomahawk cruise missiles. Submarines, sometimes called the "silent service," operate mostly in secret and the release of this information from the...
experienced abnormal radiation and seismic waves, as well as the accompanying power outage, and could not contact the command center, the dead hand system, which also had all the nuclear launch permissions, would automatically launch nuclear bombs intensively to major cities in any developed country...
Randall and Boot had shortened the signal wavelength from 10 meters to 10 centimeters. They realized that their new device could make it feasible to develop radar systems that could count approaching bomber planes or detect a surfaced submarine even at a great distance—and do so with much smal...
Photo courtesy North American Air Defense Command, Public Information Division The most famous part of NORAD is probably the NORAD headquarters and control center. The United States wanted a control center that could be temporarily self-sufficient and withstand a nuclear attack, so it hollowed out...
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绿色施工是指工程建设中，在保证质量、安全等基本要求的前提下，通过科学管理和技术进步，最大限度地节约资源与减少对环境负面影响的施工活动，实现四节一环保。这里的四节一环保分别指的是( ）、（ ）、（ ）、（ ）和（ )。