Something on his blackboard is interesting m_i^2+g_i^2=@_V:@_xi which is out burst of projectiles as acceleration == 0, where m_i^2=-g_i^2, why? if+-m_i=+-g_i; then E_i/c^2 = F_i/m_i and logically [...] Read more
Can you spot the basic thought of Mr. Openheimer from his black board? This is it in my mind:
