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
Etta James Rocks the House Etta James Rocks the House Etta James Rocks the House is the first live album by American singer Etta James and her fifth album overall. It was recorded live on the nights of September 27 and 28, 1963 at the New Era Club in Nashville, Tennessee and released on December 13, 1963. Hot with the releases of "At Last!" and "The Second Time Around", "Etta James Rocks the House" became the artist's first recorded live album under Argo Records. The concept was to catch James in a raw and fiery performance outside the recording studio. The album is among her