Saturday, January 18, 2014

Physics - First Spectrum of Ball Lightning

Physics - First Spectrum of Ball Lightning:

"Ball lightning has been one of the most mysterious natural phenomena for centuries, partly because it is so rare and transient and therefore hard to investigate. But a fortuitous observation during field experiments in China to study ordinary lightning, reported in Physical Review Letters, has now provided what seems to be the first measurement of the emission spectrum of ball lightning. The data suggest that the glowing ball was composed of elements from soil, consistent with one popular theory."

'via Blog this'

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