I was reading this article here, which includes an interesting photo of Hiroshima: The caption on the photo indicates that it was taken three weeks after the atomic bomb was dropped. The photo seems to show a 'scattershot' pattern of relatively small (I'm guessing maybe 50-100 feet in diameter, based upon the size relative to buildings and vehicles) and strikingly uniform blast/impact craters, spread across a wide area. My question is, what caused these? I know the simple answer is almost cer...
