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But they mentioned it would slowly burn black painted objects.
by BenjiWiebe 3y ago
But they mentioned it would slowly burn black painted objects.
- gorlilla 3y agoIt's all about absorption spectrum. 40W at 10600nm will burn clean through a few mm of wood but could only maybe lightly etch brass and be utterly useless on aluminum. 40W of energy is being delivered, what happens to the thing it's being delivered to is entirely dependent on absorptive potential.