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

Sir Christopher Cockerell Died 1 Jun 1999 at age 88 (born 4 Jun 1910).English inventor of the hovercraft. He was an electronics engineer with the Marconi Company (1935-50) where he worked on airborne navigational equipment and on radar. Then he began a boat-hire business. Considering the water drag on the hull of a boat, he had the idea of raising the boat on a cushion of air. In 1954, he performed a crucial experiment using kitchen scales, tin cans, and a vacuum cleaner to show that a stream of air could produce the required lift. The next year he built a working balsa wood model with a model-aircraft engine. The first full-scale prototype, SR-N1, weighed 7 tons and was capable of 60 knots. It crossed the English Channel in 1959 (with Cockerell aboard). Hovercraft entered regular cross-channel service in 1968.

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