The mindset of a man who's willing to set himself on fire to make a point - as one of the Glasgow terror-clowns seems to have done - but not to spend any effort at all on researching methods is a difficult one to understand. Even if these jokers were illiterate or had no internet access (seems unlikely, one of the suspects is apparently a doctor) they could have at least done a test. In my part of town, fun-loving teenagers burn out a car or two down by the canal every week or so: nobody would notice another one with some nails in it.

more 

- Lewis Page, former UK bomb disposal operator, on the failed attacks of June 29, 2007