FedEx plane

Time Compression

Michael Tchong Ubertrends

Engineer Percy Spencer at defense contractor Raytheon notices something peculiar. While testing a new vacuum tube, called a magnetron, a candy bar melts in his pocket. Intrigued, Spencer places some popcorn near the tube and watches in awe as kernels begin popping all over his lab counter. And so the microwave oven is born. Raytheon engineers quickly refine Spencer’s discovery …