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An atmospheric water generator (AWG), is a device that extracts water from humid ambient air, producing potable water. Water vapor in the air can be extracted either by condensation - cooling the air below its dew point , exposing the air to desiccants , using membranes that only pass water vapor, collecting fog, [1] or pressurizing the air.
Lockheed Martin F-22 Raptor. Number built. 507. Developed into. Pratt & Whitney F135. The Pratt & Whitney F119, company designation PW5000, is an afterburning turbofan engine developed by Pratt & Whitney for the Advanced Tactical Fighter (ATF) program, which resulted in the Lockheed Martin F-22 Raptor. The engine delivers thrust in the 35,000 ...
Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power ...
In March 2021, Bloomberg New Energy Finance found that "renewables are the cheapest power option for 71% of global GDP and 85% of global power generation. It is now cheaper to build a new solar or wind farm to meet rising electricity demand or replace a retiring generator, than it is to build a new fossil fuel-fired power plant. ...
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Summaries 19 March: "The climate crisis is the defining challenge that humanity faces." —Prof. Celeste Saulo, Secretary-General of the World Meteorological Organization, in State of the Climate 2023. Measurements and statistics 5 February: a study published in the Proceedings of the National Academy of Sciences proposed adding a "Category 6" to the Saffir–Simpson hurricane wind scale to ...
Lockheed SR-71. The Pratt & Whitney J58 (company designation JT11D-20) is an American jet engine that powered the Lockheed A-12, and subsequently the YF-12 and the SR-71 aircraft. It was an afterburning turbojet engine with a unique compressor bleed to the afterburner that gave increased thrust at high speeds. Because of the wide speed range of ...
Peaceful nuclear explosions ( PNEs) are nuclear explosions conducted for non-military purposes. Proposed uses include excavation for the building of canals and harbours, electrical generation, the use of nuclear explosions to drive spacecraft, and as a form of wide-area fracking. PNEs were an area of some research from the late 1950s into the ...
Raycom Media. Raycom Media, Inc. was an American television broadcasting company based in Montgomery, Alabama. Raycom owned and/or provided services for 65 television stations and two radio stations across 44 markets in 20 states. Raycom, through its Community Newspaper Holdings subsidiary, also owned multiple newspapers in small and medium ...
X Development LLC, [2] [3] [4] doing business as X (formerly Google X ), [1] is an American semi-secret research and development facility and organization founded by Google in January 2010. [5] [6] X has its headquarters about a mile and a half from Alphabet's corporate headquarters, the Googleplex, in Mountain View, California.