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...

Want the full story?

Subscribe Now


Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!