The Slow Death of the Microwave Oven.

A bigger factor behind the decline in sales of microwaves is likely that Americans just aren’t using them as much anymore.
A shift in eating habits—which favors freshness and quality over speed and convenience—has left a growing number of microwaves dormant on kitchen counters.
“Microwaves have sort of had their day,” says John Owen, a senior industry analyst at Mintel.
The microwave, like many ingenious inventions before it, was birthed by mistake.
Before microwave radiation melted cheese, it served as the magic behind radars, which sent microwave signals out to objects to gauge their distance.
But in 1945, Percy Spencer, an engineer at Raytheon, the maker of the first microwave, noticed something peculiar while experimenting with the technology. The high-powered radar turned a chocolate bar in Spencer’s pocket into goo.
He then deliberately experimented with—you guessed it—popcorn. And it worked. Next, he tried an egg, which promptly exploded (onto a nearby coworker, as the story goes.)
“The microwave energy is like rubbing your hands together, only it rubs the molecules of food together as they are vibrating three thousand million times a second,” Norman Krim, a former vice president at Raytheon explained in a documentary about the device.
Shortly after Spencer’s discovery, Raytheon invested heavily in developing the first commercial microwave.
It was called the Radarange, and it was ridiculously powerful. It could, according to its manual, fry an egg in only 12 seconds.
But it was also the size of a refrigerator, stood almost six feet tall, weighed over 700 pounds (320 kilograms), and cost $3,000.
Raytheon’s first microwave, the Radarange, was a verifiable giant by modern microwave standards (see above).
Given its hefty size (and price), the world’s first microwave was almost exclusively used on ships and trains, and at restaurants, where food needed to be prepared efficiently for many people.
A separate slightly-less-bulky and cheaper version was developed in 1955 for the home.
But it was still too big, and at $1,300, too expensive for mass use.
via The slow death of the microwave – Quartz.

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