I always wonder, when watching vintage movies from the 1930s and 1940s, about the preoccupation with Nazi spies and sympathizers in the USA. How justified were such fears? Pretty well justified, I guess, based on the video above, and this article.
Rural electrification brought many benefits. But one of its stranger effects occurred on the Kentucky farm of Albert Clark in 1939. One of his hens stared and stared at the new light bulb hanging in the hen house, as if hypnotized by it. Then she laid an egg shaped like a light bulb. Clark sent the egg to the Rural Electrification Administration in D.C. as proof of what had occurred. This was big news in 1939.
Back in 1938, the new U.S. mint building in San Francisco was widely advertised as being impregnable and "invasion proof." But, of course, as two teenage boys quickly proved, all the fancy anti-robbery gadgets in the world are useless if you forget to close the windows.