Is Geothermal the Next Hot Energy Source?

Please read article, cited after the quote. Articles open in a new window.

Practically every major source of power generation in the world involves the production of heat, which eventually becomes the electricity that we use. Nuclear, coal, natural gas – the direct end result of all of these processes is heat, which is usually then transferred to water. This water is then turned into steam, which drives the turbines that give us our electrical end product.

It’s undeniable that making things hotter is one of our most ancient and reliable methods of getting things done – from cooking food to making cars run, the energy often associated with or directly resulting from an increase in temperature is an old and true friend. As it turns out, so is generating power from one of the biggest sources of heat around – around, not out in space… yes, our own planet.

The Earth, much like an onion, is layered – chemically, though, rather than physically. The temperature of the inner core has been estimated at values of nearly 7,000 degrees Celsius, or 12,000 degrees Fahrenheit.


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