Hot dry rock geothermal energy makes use of hot fluids found naturally in basement rock; but such HWR conditions are rare. By far the bulk of the world’s geothermal resource base (over 98%) is in the form of basement rock that is hot but dry—with no naturally available water. This means that HDR technology is applicable almost everywhere on earth (hence the claim that HDR geothermal energy is ubiquitous). Typically, the temperature in those vast regions of the accessible crystalline basement rock increases with depth. This geothermal gradient, which is the principal HDR resource variable, ranges from less than 20 °C/km to over 60 °C/km,
Hot for the Orient Hot for the Orient Hot for the Orient is the fifth and final studio album from Australian glam rock band Skyhooks. This was the only album the band recorded without newly departed vocalist Graeme "Shirley" Strachan. Lead vocals are performed by Tony Williams. The album peaked at number 64 on the Australian charts; the band's first studio albums not to reach the Australian top ten. The band disbanded soon after. However, the band reformed in 1983 with their classic line-up of their early-mid-1970s success and began touring once again. Video clips for "Over the Border" and "Keep the Junk in