Picture of the Day: Turkey Tech

turkeytimer.jpg

How do you know when your turkey is done? For many Americans, the answer is when the little temperature gauge pops. Above is a patent for one such device, the "temperature signaling device," awarded to George G. Kliewer of Fresno, California, in 1970. As the patent explains the invention, "A food temperature indicator having a spring loaded indicating rod member releasable from a retracted position responsive to the disengagement thereof by a retaining member. ... To effect disengagement, the retaining member must displace a volume of fusible material." That's patent-speak for the material at point 46 becomes molten, the pin falls, and the indicator pops. Let's hope yours works as well as Kliewer imagined.

Below, recent Pictures of the Day:

Image: USPTO.

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Rebecca J. Rosen is a senior editor at The Atlantic, where she oversees the Business Channel. She was previously an associate editor at The Wilson Quarterly.

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