I was on a flat beach with 10-20mph winds, and I found a stump and pieces of driftwood that looked like it was internally burning. There was no flame, only sparks, and the rings inside were glowing fire-red, meanwhile the outside bark wasnt and it was unburnt.
In: Chemistry
Are you asking about the mechanics behind burning out the interior of a log, or why this one specifically was on fire? I can’t answer the second question, but it’s definitely possible to burn the interior of a log without burning the outside–it’s something that’s been done for hundreds of years to hollow out pieces of wood that would be difficult to carve the inside out of. If you start with a small hole in one cut end, the fire will have enough oxygen to slowly work its way through the log. Usually you’d wet the outside so that it doesn’t catch if you’re doing it on purpose to create something hollow, and being on a beach would probably help it stay wetter and protect the bark/outside.
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