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
Sir Michael Rocks Rapsody, Dizzy Wright, Freddie Gibbs, and The World's Freshest. In April 2014 he contributed to the Chuck Inglish album "Convertibles", which was preceded by three singles – one of which was "Swervin'" featuring Rocks and Polyester the Saint. As a music producer, Rocks has been known to use the music software program Reason from Propellerhead Software. Stated by "Hot New Hip Hop" in May 2012, "His laidback flow is definitely a good fit for Curren$y's Jet Life Recordings... but you really can't compare Mikey Rocks to other rappers because his flow and sound are so different from what is constantly