3 ms·
A black surface can re-radiate 1E5W/m^2 at ~1100C (assuming I calculated correctly). So, paper is out, but maybe glass would work ok :)
by chris_va 1y ago
A black surface can re-radiate 1E5W/m^2 at ~1100C (assuming I calculated correctly).
So, paper is out, but maybe glass would work ok :)