This report introduces the concept of using protons (hydrogen ions) as the working fluid in a heat engine for the direct conversion of heat into electrical energy. A particular approach to such a conversion is described and its performance is outlined. Current and projected costs of components...

Scaling properties of four different stock market indices are studied in terms of a generalized Hurst exponent approach. We find that the deviations from pure Brownian motion behavior are associated with the degrees of development of the markets and we observe strong differentiations in the...