As if we need something else to be concerned about when traveling by air, some rather intense gamma-rays have been detected in thunderstorms by researchers. Apparently, these gamma-rays are produced by lightning.
Gamma-rays are usually found in the realm of the atomic nucleus. Of course there is a tremendous amount of energy liberated in a lightning bolt. I remember reading years ago about neutron reactions with oxygen nuclides being studied as a result of lightening strikes. Analysis of changes in the isotopic ratios of oxygen (O-16 to O-17, if I remember correctly) provided the evidence of the reactions.
Don't expect the airlines to be adding lead shielding any time soon.
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