Fields of mathematics

Last November, after a decade of failed attempts, David Smith, a self-described shape hobbyist of Bridlington in East Yorkshire, England, suspected that he might have finally solved an open problem in the mathematics of tiling: That is, he thought he might have discovered an "einstein."

And it is not the only part of the world where such spheres have been found…

String theory turns objects into systems of numbers that can be studied.

“The concept is that the ring can come apart to make two rings”

Maki Kaji, a puzzle enthusiast and publisher who was known as the "Godfather of Sudoku" - the number puzzle played daily by millions around the world - has died, his company said. He was 69.

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Swiss researchers said on Aug. 16 they had calculated the mathematical constant pi to a new world-record level of exactitude, hitting 62.8 trillion figures using a supercomputer.

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"The calculation took 108 days and nine hours" using a supercomputer, the Graubuenden University of Applied Sciences said in a statement.

“They think he is normal, but this is not the case”

We gain an hour

Their meeting was in the context of their regular contacts

The results were contrary to projections