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by cracki 5958 days ago
from the box itself, i'd guess... electric heating elements?
1 comments
pedalpete 5957 days ago
electric heating elements to get 1800F? Wouldn't that take more power than this thing would create? I missed the part about heating to 1800.
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ncarlson 5957 days ago
The chemical reaction heats up the box. However, large amounts of insulation is needed to retain the heat.
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