Good News in History, April 30
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” […] The post Good News in History, April 30 appeared first 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” […]
The post Good News in History, April 30 appeared first on Good News Network.