Oddbean new post about login | logout I'm pretty sure that phone call with my Dad just set off some triggers with the security services because I mentioned U235 and U238. 😂
@d4b81373 Some of the engineers I used to work with were very proud of their U238. They had lumps of the stuff left over from the British atomic bomb project that they were using as doorstops. A favoured prank was to toss one to an apprentice or graduate.