Friday, January 10, 2014

Thermodynamics: Why Technology Won't Save Us

csrwire: "The idea that technology will allow us to do ever more with ever less is a delusion.

It is vital to understand that technology is not a source of energy. That is, it is not a fuel in its own right, only a means for putting fuel to work or for transforming one resource into another.

Thus, for example, coal can be converted into gasoline—but at a high thermodynamic price, because much of the potential energy in the coal is lost in the process. Or technology can make the conversion of energy more efficient—but, as we have seen, only up to a point. Similarly, technology can make new energy resources available—but only by first expending energy to find and exploit them."

'via Blog this'

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