The second volume reviews the possible methods of storing energy in the form of mechanical or thermal energy. Mechanical methods include those that make use of gravitational potential energy and the storage of energy by compressing air or by storing as rotational energy in a flywheel. Sensible heat storage is discussed in terms of its applications to residential heating, community-based storage, solar ponds, and thermal storage for grid-integrated energy systems.

Richard A. Dunlap, Dalhousie University
Richard A. Dunlap received a B.S. in Physics from Worcester Polytechnic Institute in 1974, an A.M. in Physics from Dartmouth College in1976 and a Ph.D. in Physics from Clark University in 1981. Since receiving his Ph.D. he has been on the Faculty in the Department of Physics and Atmospheric Science at Dalhousie University where he currently holds an appointment as Research Professor. Prof. Dunlap has published more than 300 refereed research papers and his research interests have included, magnetic materials, amorphous alloys, critical phenomena, hydrogen storage, quasicrystals, superconductivity and materials for advanced batteries. He is the author of seven previous books: Experimental Physics: Modern Methods (Oxford, 1988); The Golden Ratio and Fibonacci Numbers (World Scientific, 1997); An Introduction to the Physics of Nuclei and Particles (Brooks/Cole, 2004); Sustainable Energy (Cengage, 1st ed. 2015, 2nd ed. 2019); Novel Microstructures for Solids (Morgan & Claypool, 2018; Particle Physics (Morgan & Claypool 2018); and The Mossbauer Effect (Morgan & Claypool, 2019).