Updated: Super-efficient stove uses sound waves - also provides electric power and cooling

The Discovery.com website brings us some good news with this article: Acoustic stove could aid third world:

An appliance being designed for developing communities in Africa and Asia not only generates electricity, but also cooks and cools using acoustic technology.

The "Stove for Cooking, Refrigeration and Electricity," or SCORE, could help improve the health and quality of life for the two billion or so people in the world who cook over open fires. When used in enclosed places, smoke from such fires can cause health problems.

This thermoacoustic stove, which is being developed at the University of Nottingham in the UK, requires far less firewood, which means less deforestation, less time spent gathering fuel, and less pollution from burning wood.

Update: More about the Nottingham thermoacoustic stove

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