Rules

Guess the Flex WORDLE in 3 tries. After each try, the color of the tiles will change to show how close your guess is to the solution.

If the tile becomes GREEN, your number or operation is located at correct place. If the tile becomes RED, your number or opeartion exists within the expression, but at different place.

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On This Day

Harry Boot Born 29 Jul 1917; died 8 Feb 1983 at age 65.Dr Henry Albert Howard "Harry" Boot was an English physicist, who worked with John Randall developing the cavity magnetron, the microwave-generating device used in radar. This made a major contribution to winning WWII. Earlier magnetrons made in the 1920's gave low power output. By Feb 1940, advances by Randall and Boot in the design of the small-sized cavity magnetron, produced centimeter wavelengths at much higher power, which allowed radar to detect smaller objects. In turn, this more compact equipment with a smaller antenna permitted easy mobile installation of high-resolution radar in aircraft.«

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