Philips has produced a cheap cooking stove, the Chulha, that cuts out the soot that kills 1.6m people a year worldwide.

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It features a giant wok over a cooking stove that sends its smoke under a bench that heats the next-door living room.

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Dung, or any other type of biomass, goes into the fuel cell chamber and the whole contraption is thrown into a cooking stove.

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The handful of participating startups could be from a technocrat's dream with products ranging from a tablet teacher training software to a solar-powered cooking stove.

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Mr. Mazzola, for his part, says his brainstorm to add a stirrer to a brewer was inspired by his grandmother, who would always stir whatever she was cooking on the stove.

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Designer Yu-ri Lee's "Tripod Burner" is little more than a three-legged gas stove that supports the cooking surface of your choice, but because of its unique shape, makes the perfect companion for a small tailgating party or romantic picnic in the woods.

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She happily faced down her kitchen stove each weekend morning, cooking brunch as if it were a 12-round boxing match.

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The stove was needed every day for cooking, for baking bread (most of the people could not afford store-bought bread), and for heating wash water.

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While the cooking wasn't completely successful (see: four-burner stove), the wine pairings all worked almost.

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