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Helo Halo | Snapshot | Air & Space Magazine
Helo Halo | Snapshot | Air & Space Magazine
Luminous halos twirled above a Boeing CH-47 Chinook on a recent night around 11:30 p.m. local time at Forward Operating Base Jackson in Sangin, Helmand Province, Afghanistan, as helicopters ferried casualties and supplies in and out of the base. The photographer was independent journalist ...
Smithsonian Air&Space on Kopp-Etchells Effect
Smithsonian Air&Space on Kopp-Etchells Effect
michaelyon-online.com — November 04, 2009 Helo Halo Luminous halos twirled above a Boeing CH-47 Chinook on a recent night... around 11:30 p.m. local time at Forward Operating Base Jackson in Sangin, Helmand Province, Afghanistan, as helicopters ferried casualties ... (more) Smithsonian Air&Space on Kopp-Etchells Effect
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Smithsonian Air&Space on Kopp-Etchells Effect
Michael Yon - Online Magazine — November 04, 2009 Helo Halo Luminous halos twirled above a Boeing CH-47 Chinook on a recent night around 11:30 p.m. local time at Forward Operating Base Jackson in Sangin, Helmand Province, Afghanistan, as helicopters ferried casualties and supplies in and out of the base. The photographer was independent journalist Michael Yon, a former U.S. Army Special Forces soldier now traveling the world's war zones with a camera. Helicopter pilots don't have a name for the effect, but one explained to Yon, "Basically it is a result of static electricity created by ...

Amazing Pictures -- By: Lisa Schiffren
The Corner on National Review Online — Thursday, November 05, 2009 [image] Amazing Pictures [ Lisa Schiffren ] Michael Yon has captured astonishing halos over U.S. aircraft in Helmad Province, Afghanistan. They're "a result of static electricity created by friction as . . . dissimilar material strike against each other. In this case, titanium/nickel blades moving through the air and dust." Scientists call it a "triboelectric" or "piezoelectric" effect. "Triboelectric" sounds like the name of a local water wheel. Click through the links for more beautiful pictures of light in a landscape that looks as if Ironman is about to land. 11/05 08:44 AM [image] ...

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