I am writing with regard to two letters (C&EN, Oct. 23, pages 4 and 6). One, by Oswald Bergmann, asks if global warming should be self-limiting according to Stefan-Boltzmann law. The simple answer is ...

IN the very valuable Report on Thermodynamics drawn up for Section A of the British Association by Messrs. Bryan and Larmor, and now recently published, there is a remark upon the Boltzmann-Maxwell ...