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Calculate the number 683

NUMBERMANIA: Calculate the number 683 using numbers [4, 1, 3, 3, 29, 603] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 19

The first user who solved this task is Djordje Timotijevic.

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Hedonism among tropical fruits

There's a lot of hedonism among tropical fruits. It's always “Go, mango, guava good time!” But the next day they papaya the piper.

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Robert B. Laughlin

Born 1 Nov 1950.American physicist whoshared(with Daniel C. Tsui and Horst Störmer) the Nobel Prize for Physics in 1998 for research on the fractional quantum Hall effect. In a current-carrying conductor, the classic Hall effect is the voltage produced at right angles to a magnetic field, as first discovered in 1879. A century later the German physicist Klaus von Klitzing discovered that in a powerful magnetic field at extremely low temperatures the Hall resistance of a semiconductor is quantized in integral “steps.” Using even stronger magnetic fields and lower temperatures, Störmer and Tsui discovered fractional steps, explained by Laughlin's theory that the electrons can form a new type of quantum fluid with quasiparticles carrying fractions of an electron's charge.

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