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Remove 4 letters from this seq...

Remove 4 letters from this sequence (UISDOAMAGE) to reveal a familiar English word.

Correct answers: 39

The first user who solved this task is Nílton Corrêa de Sousa.

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During their silver anniversar...

During their silver anniversary, a wife reminded her husband: "Do you remember when you proposed to me, I was so overwhelmed that I didn't talk for an hour?"
The husband replied: "Yes, honey, that was the happiest hour of my life."

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Jakob Steiner

Born 18 Mar 1796; died 1 Apr 1863 at age 67.Swiss mathematician who was one of the greatest, contributors to projective geometry. He discovered the Steiner surface which has a double infinity of conic sections on it. The Steiner theorem states that the two pencils by which a conic is projected from two of its points are projectively related. He is also known for the Poncelet-Steiner theorem which shows that only one given circle and a straight edge are required for Euclidean constructions. His work included conic sections and surfaces, the theory of second-degree surfaces and centre-of-gravity problems. He developed the principle of symmetrization (1840-41). In 1848 he ws the first to define various polar curves with respect to a given curve, and introduced the “Steiner Curves.”«

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