An interesting post in which a chemist debunks reports in the paper claiming that the UK flight bombers intended to use acetone peroxides as their explosives.

The news this morning was full of stuff about “ordinary looking devices being used as detonators”. Well, if you’re using nasty unstable peroxides as your explosive material, you don’t really need any — the stuff goes off if you give it a dirty look. I suspect a good hard rap with a hard heavy object would be more than sufficient. No need to worry about those cell phones secretly being high tech “detonators” if you’re going this route.