Hot dry rock geothermal energy as a separate state from that of the continuum of permeable rock—just as one would consider a completely closed faucet as distinct from one that is open to any degree, whether the flow be a trickle or a flood. In the same way, HDR technology should be regarded as totally distinct from EGS. A definitive book on HDR development, including a full account of the experiments at Fenton Hill, was published by Springer-Verlag in April 2012. Hot dry rock geothermal energy Hot dry rock (HDR) is an abundant source of geothermal energy available for use. A vast store of thermal
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