Hope • April 30, 2026
Good News in History, April 30
Originally published on Good News Network
129 years ago today, J. J. Thomson announced his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London. It put to rest a long history of experimentation seeking to determine whether or not a "cathode ray"
129 years ago today, J. J. Thomson announced his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London. It put to rest a long history of experimentation seeking to determine whether or not a "cathode ray"
Originally published on Good News Network.