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.