N'oge ahụ, ihe ka ọtụtụ n'ime ụmụ akwụkwọ ETH na physics rụrụ n'okpuru nlekọta nke H.F. Weber, onye nkuzi mbụ nke Einstein na Polytechnikum, dị ka a na-akpọ ya mgbe ahụ. Mahadum Zurich nwere naanị otu oche physics, nke Alfred Kleiner nwere. Isi nchọpụta ya lekwasịrị anya na ngwaọrụ nyocha, mana o nwekwara mmasị na ntọala nke physics. Ajụjụ: A maara Alfred Kleiner ka ọ na-elekwasị anya na nchọpụta ya na gịnị?
ihe ndị e ji atụ ihe