Science: Radarcmge

Most cooking methods—baking, boiling, frying—date from stone-ax days. They all heat food from the outside in. The Raytheon Co., prolific spawner of radar tubes, has shown short-order cooks something new; a "range" which cooks food from the inside out.

The trick is done by shooting through the food a beam of ultra-high frequency radio energy from a magnetron, the tube which powered many wartime radars. The waves make the molecules in the raw food dance back & forth three billion times a second. Their motion generates heat. In seconds, the food gets hot. There is no waiting for the heat to seep...

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