Instead of being annoyed, Spencer was fascinated. He began experimenting with other foods, watching popcorn kernels pop and an egg dramatically explode. This led to the birth of the first commercial microwave:
: Introduced in 1947 , these first models were over five feet tall and cost roughly $5,000 (equivalent to about $48,000–$88,000 today). Due to their size and price, they were initially indispensable only to restaurants . buy microwave
: It wasn't until the 1970s that designs became compact and affordable enough for the average home. By 1997 , nine out of every ten American homes owned one. Instead of being annoyed, Spencer was fascinated