Fun topics related to whistlers: STEVE travels at about 3 miles/second and was recently discovered, https://en.m.wikipedia.org/wiki/Steve_(atmospheric_phenomeno...
Also, for some reason the human brain emits EM waves with wavelengths about the diameter of the earth: https://arxiv.org/abs/1208.4970
Fun topics related to whistlers: STEVE travels at about 3 miles/second and was recently discovered, https://en.m.wikipedia.org/wiki/Steve_(atmospheric_phenomeno...
Also, for some reason the human brain emits EM waves with wavelengths about the diameter of the earth: https://arxiv.org/abs/1208.4970