Bruce wrote:

Basil Jet wrote:


Physics can be used to communicate too - the Yanks certainly got their
message across in Hiroshima.


Surprisingly, the Americans *didn't* actually get their message across
in Hiroshima. Their "communication" had to be repeated at Nagasaki
before the message got across to the Japanese that they were beaten.


IIRC, the Japanese got the Hiroshima message just fine, and probably
would've surrendered given a bit more time. Nagasaki was sending a
totally different message: telling the Soviets that the first nuke
wasn't a fluke.