In an effort to bring some perspective to the nuclear debate, Sun Bin takes a look at some numbers in The net effect of Little Boy and Fat Man.
Sun gets a little of the history wrong: Tōjō Hideki had stepped down from the position of prime minister in July 1944. The prime minister at the time of the Hiroshima atomic bombing was Suzuki Kantarō. So it was not really "Tojo and Hirohito" who did the waiting.
However, the rest of the presentation is a very interesting and seemingly solid attempt try to quantify the possible significance of the events of August 6 and 9, in terms of lives lost.
Read also his brief travelogue of a rail trip through Shanxi (a work in progress, he says) for an enticing glimpse into the economic and environmental situation in China's backcountry.