I was reading through an old cheistry text book the other day and discoverd an amazing picture of bright green flames caused by the addition of boron (apprently not barium) to ethanol and then setting alight, it looks a really nifty effect. I'd rather not go to all the trouble of obtaining lots of diferent boron compounds to test so does anyone know the compound used in this effect (proably one with highest solubility in ethanol?).
I don't suppose anyone could tell me the hollywood method for the large and spectacular fireball,I'm not planning to make one just interested to know how they do it. They look like fuel/air explosions and they are certainly not of the "coffee cream" variety. I know reasonable size ones can be made with the release of pressurised gas but not of the size in the movies. Are they just high explosives surrounded by several gallons of fuel or are they more technical then that? I'd be grateful for any ideas.
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