Search results
Create the page "Second law of thermodynamics" on this wiki! See also the search results found.
File:MacCumberViFig1.jpg Cross-sections of the new laser medium versus wavelength, reported in series of publications in 2006 (thick curves); ...it compatible with the [[McCumber relation]] and with the [[Second Law of thermodynamics]](857 × 448 (58 KB)) - 07:24, 21 June 2020File:Perpetualmo.jpg Curves of the effective emission and absorption cross-section suggested by ...uch a medium suitable material for the [[perpetual motion machine]] of the second kind.(766 × 572 (33 KB)) - 09:38, 21 June 2013