Restricted Data

I’ve been working on upgrades to the NUKEMAP for several years now, but I actually would like to get them implemented this year.

This is just a brief post to make sure I have announced on here formally that my new book from HarperCollins is now on sale!

Understanding how much fissile material — enriched uranium and separated plutonium — was produced, and at what time, by the Manhattan Project is one of those seemingly-obscure technical questions that comes with a lot of important historical implications.

I realized I haven’t updated things here for a long while, and that it would be worth consolidating a few overdue news updates.

I happened to look at a slide deck from Sandia National Laboratories from 2007 that someone had posted on Reddit late last night (you know, as one does, instead of sleeping), and one particular slide jumped out at me: It’s a little graphic advertising the…

I have been busy this summer (and spring, and the winter before that… and the fall before that… and the summer before that…), but one of the things I’ve been busy with has finally launched: Doomsday Machines, a new blog dedicated to exploring the post-apo…

The city of Kyoto was the only great city of Japan to be spared serious bombing during World War II, despite being among the top targets preferred for the atomic bomb, thanks to the unprecedented and extraordinary efforts by the Secretary of War, Henry L.

When I learned several months ago that Daniel Ellsberg had pancreatic cancer, and was opting not to treat it, I was not quite sure what I ought to do.

One of the sleeper news items of last week was that the Department of Energy officially vacated the Atomic Energy Commission decision that stripped J.

This is second post of a two part series on this topic.