How many squares on a chessboard?
[25] How many squares on a chessboard? - How many squares on a chessboard? - #brainteasers #math #riddles - Correct Answers: 87 - The first user who solved this task is Sanja Šabović
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How many squares on a chessboard?

How many squares on a chessboard?
Correct answers: 87
The first user who solved this task is Sanja Šabović.
#brainteasers #math #riddles
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A panda bear walks into a rest...

A panda bear walks into a restaurant and orders a meal. After eating he pulls out a gun, shoots the place to the ground, and runs away. Quickly the bartender runs after him yelling, "HEY YOU CAN'T DO THIS!!!" The panda turns around and yells "Yes I can. Look me up in the encyclopedia!" So, the bartender looks up "Panda" in the encyclopedia, and it reads "Panda: increasingly rare species of bear that can be found in the eastern part of Asia. It eats shoots and leaves.”
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Arnold Sommerfeld

Born 5 Dec 1868; died 26 Apr 1951 at age 82. Arnold (Johannes Wilhelm) Sommerfeld was a German physicist whose atomic model permitted the explanation of fine-structure spectral lines. His first work was on the theory of the gyroscope (with Klein), and then on wave spreading in wireless telegraphy. More significant was his major contribution to the development of quantum theory, generally, and in its application to spectral lines and the Bohr atomic model. He evolved also a theory of the electron in the metallic state valuable to the study of thermo-electricity.
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