The winning team from the University of Calgary created a refrigerator that runs without electricity. The Windchill relies on concepts borrowed from the biology of insects, coral, kangaroos and ...

The winning team from the University of Calgary created a refrigerator that runs without electricity. The Windchill relies on concepts borrowed from the biology of insects, coral, kangaroos and ...

all refrigerated food with a "keep refrigerated" label should be thrown out if it was in a powerless fridge for more than four hours. As for the freezer, anything stored longer than 48 hours ...