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 Underground after because of such an indulgence in society. The shame displayed here is what separates him from rational egoists and utopian dreamers, but the desire that he sometimes feels to buy into such ideals leaves him on the fringe of society or what can be understood as what drove him underground. The unreliable narrator is used in the entire story. Although the novel is written in first-person narrative, the "I" is never really discovered. The novel's style is also linked to the St. Petersburg Tales in which there is an unreliable narrator. The writing style is very dense and at