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August 19, 2016 12:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/Cd59XVMj6ZM/us-air-force-wants-to-plasma-bomb-the-sky-to-improve-radio-communication
US Air Force Wants To Plasma Bomb The Sky To Improve Radio Communication
An anonymous reader quotes a report from New Scientist: [The U.S. Air Force has plans to improve radio communication over long distances by detonating plasma bombs in the upper atmosphere using a fleet of micro satellites. Itâ(TM)s not the first time weâ(TM)ve tried to improve radio communication by tinkering with the ionosphere. HAARP, the High Frequency Active Auroral Research Program in Alaska, stimulates the ionosphere with radiation from ground-based antennas to produce radio-reflecting plasma.] Now the USAF wants to do this more efficiently, with tiny satellites -- such as CubeSats -- carrying large volumes of ionized gas directly into the ionosphere. As well as increasing the range of radio signals, the USAF says it wants to smooth out the effects of solar winds, which can knock out GPS, and also investigate the possibility of blocking communication from enemy satellites. [There are at least two major challenges. One is building a plasma generator small enough to fit on a CubeSat â" roughly 10 centimeters cubed. Then thereâ(TM)s the problem of controlling exactly how the plasma will disperse once it is released. The USAF has awarded three contracts to teams who are sketching out ways to tackle the approach. The best proposal will be selected for a second phase in which plasma generators will be tested in vacuum chambers and exploratory space flights.]Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/Cd59XVMj6ZM/us-air-force-wants-to-plasma-bomb-the-sky-to-improve-radio-communication
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