Observations from high-flying aircraft revealed that thunderclouds act as natural particle accelerators, emitting energetic ...

It's not easy to imagine how high the frequency of a high-energy ... one cycle, a gamma-ray wave traveling at the speed of light will travel only the width of a proton, a tiny particle found ...

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Gamma close gamma radiationA type of ionising radiation that is also part of the EM spectrum. It has no mass. is pure energy and will not change the structure of the nucleus in any way.