Geothermal Energy: What It Is & How It Works
Visitors to Old Faithful in Yellowstone National Park get a front-row seat at a geothermal energy showcase in action. From this geyser, they soon discover there is much to learn from forces contained below the Earth’s crust. What is geothermal energy? This straightforward description comes from the Geothermal Energy Association (GEA). “Heat has been radiating […]