Originally Posted by exerda

Take TATP, for instance, which due to the London subway bombings is often cited as the "binary" explosive of choice for would-be terrorists (despite the fact that it isn't binary in that you don't just mix two reasonably inert substances together to get an explosive--the mixing takes hours, not seconds, and despite the fact that its sensitivity is such that it's not well-suited to anything but blowing oneself up whilst making it).