VIDEO: The ice blocks are less & # 039 refrigerators; dumb & # 039;

A factory in Wales produces refrigerators prototypes that could use less power than conventional models.

Your refrigerators frozen large blocks of ice overnight, while some utilities pay less for electricity, and use it to keep food cold throughout the day.

storing a version of the refrigerator vaccines two weeks remain long cold, reports Roger Harrabin BBC.

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