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
From What Is Before score of 100% rating based on 5 critics. From What Is Before From What Is Before () is a 2014 Filipino drama film directed by Lav Diaz. The film follows a remote town in the Philippines during the 1970s under the Marcos dictatorship. The film had its world premiere in the Philippines on 3 July 2014, and competed at the 2014 Locarno International Film Festival where it won the main prize, the Golden Leopard. The film also had its North American premiere at the 2014 Toronto International Film Festival, under the Wavelengths section. In addition, the film had its Philippine