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Photo: Michael Yon
Reporter and former Green Beret Michael Yon took a series of intriguing photos of glowing rotor blades as a helicopter lands in a military base in Afghanistan. The eerie "halo" is caused by static electricity generated as the titanium/nickel blades move through a field of dust (which is kicked up from the ground as the heli lands).
The phenomenon, striking as it is, has no name – and Michael decided to name it the Kopp-Etchells Effect, as a tribute, after Corporal Benjamin Kopp and Corporal Joseph Etchells, who died in battle.
The full story at Michael’s blog: Link via TYWKIWDBI
