Hot dry rock geothermal energy Hot dry rock geothermal energy Hot dry rock (HDR) is an abundant source of geothermal energy available for use. A vast store of thermal energy is contained within hot - but essentially dry - impervious crystalline basement rocks found almost everywhere deep beneath the earth’s surface. A concept for the extraction of useful amounts of geothermal energy from HDR originated at the Los Alamos National Laboratory in 1970, and Laboratory researchers were awarded a U.S. patent covering it. Although often confused with the relatively limited hydrothermal resource already commercialized to a large extent, HDR geothermal energy is very different. Whereas
Notes from the Underground (creative writing paper) Notes from the Underground (creative writing paper) Notes from the Underground is a creative writing free newspaper. Its first issue was distributed on the London Underground and in shops and libraries throughout London on 17 December 2007. It aims to function as a quality alternative free newspaper to those on the tube. It was inspired by the success of thelondonpaper but aims to be an entertaining and accessible platform for up-and-coming writers and illustrators. Most of the stories are by new writers, though several more famous authors have written new stories for the paper. These include "The Dreams of Bethany