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
Chaser on the Rocks Chaser on the Rocks Chaser on the Rocks is a Warner Bros. Merrie Melodies theatrical animated short which was released in 1965. It was directed by Rudy Larriva and features Wile E. Coyote and the Road Runner. The title is a pun on the phrase: "Water on the Rocks". The cartoon begins with Wile E. Coyote chasing the Road Runner. Road Runner zooms off, and Wile stops. He looks up at the sun, and Road Runner enters and does the same. After a shot of the hot sun, the Road Runner zooms offscreen again. The Coyote sees Road Runner in