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You'd be surprised how many firefighters don't even truly understand fire, something many people in the fire community are trying to improve (education about how fire works).
If you ever want to see what a flame sheet looks like, you can "slice it" by sticking a grid of metal screening that draws the heat away horizontally though the middle of the luminous flame and looking down from above. As long as the wattage of the fire is low enough, the heat conducted away by the metal screen's wires is enough for you to stop the chain reaction past that plane, allowing to see a cross section in real time! (careful though, fire is potentially deadly, as are the hot gasses, and fumes from unburnt fuel)
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Finding out the fire is hollow, flowing surface is something that shocks most people and you have to really see it to get it.
Questions that help people learn often get medals, even if not from the lazy or ungrateful person who asked the question initially. :-) Discussions and intellectual debates also get medals, and tutorials too
You want to explain it well enough so that the person asking the question can solve similar problems by themselves. Do no give answers and always try to get the person asking the question involved. Ask your own questions to see if they are following. I never give out an answer and usually the questions I ask back are easy enough that they can answer it. If they can't then I know they are not following along or that they are still confused. But again never give answer for medals. It's not about your it's about the person that is trying to learn.
Is @agentx5 a pyromaniac? :D
@Romero great answer.
you won't get GOOD points by ANSWERING. i will tell you that. however, you will receive GREAT points by RESPONDING and EXPLAINING. make sense? ;)