3 ms·
Oblig. feyman link on textbooks in schools: http://www.textbookleague.org/103feyn.htm http://www.textbookleague.org/103feyn.htm
by cturner 15y ago
Oblig. feyman link on textbooks in schools:
http://www.textbookleague.org/103feyn.htm http://www.textbookleague.org/103feyn.htm