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Skyguard is a chemical laser-based area defense system proposed by Northrop Grumman, to protect airports and other areas against a variety of military threats including short-range ballistic missiles, short- and long-range rockets, artillery shells, mortars, unmanned aerial vehicles and cruise missiles. Each shot costs about $1,000 which ...
A plasma railgun is a linear accelerator and a plasma energy weapon which, like a projectile railgun, uses two long parallel electrodes to accelerate a "sliding short" armature. However, in a plasma railgun, the armature and ejected projectile consists of plasma, or hot, ionized, gas-like particles, instead of a solid slug of material.
There are several short circuits that can occur in a CRT electron gun. One is a heater-to-cathode short, that causes the cathode to permanently emit electrons which may cause an image with a bright red, green or blue tint with retrace lines, depending on the cathode (s) affected.
Green laser pointers [192] appeared on the market circa 2000, and are the most common type of DPSS lasers (also called DPSSFD for "diode pumped solid state frequency-doubled"). In late 2004 and early 2005, came a significant increase in reported incidents linked to laser pointers – see Lasers and aviation safety. The wave of incidents may ...
First, the weapon must be legal for the traveler to own under federal law and under the laws of his or her home state and the state of destination. Additionally, the weapon in question must be unloaded with the firearm and ammunition locked in separate cases and placed in an area of the vehicle that is not easily accessible, such as the trunk ...
Laser in original colours, as delivered in the 1970s Sailor hiking out on a Laser Radial. The ILCA is manufactured by a number of different companies. As of April 2023 these were Devoti Sailing s.r.o., Czech Republic, Element 6 Evolution Co., Ltd., Thailand, Far East Boats, P. R. China, Nautivela srl, Italy, Ovington Boats Ltd, Great Britain, Performance Sailcraft Australia, Performance ...
The Lockheed A-12 is a retired high-altitude, Mach 3+ reconnaissance aircraft built for the United States Central Intelligence Agency (CIA) by Lockheed's Skunk Works, based on the designs of Clarence "Kelly" Johnson.