| http://www.w3.org/ns/prov#value | - It???s what Joseph Dwyer, a lightning researcher at the Florida Institute of Technology, has termed dark lightning.Unknown to (Ben) Franklin but now clear to a growing roster of lightning researchers and astronomers is that along with bright thunderbolts, thunderstorms unleash sprays of X-rays and even intense bursts of gamma rays, a form of radiation normally associated with such cosmic spectac
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