I Cannot Stop Playing This Extraordinary Puzzle Game Nurikabe World is cleverness wrapped in prettiness ...

Solving puzzles that involve eliminating all options except the correct one shows how an important form of logical thinking unfolds in a nutshell, called the process of elimination.

Solving puzzles that involve eliminating all options except the correct one shows how an important form of logical thinking unfolds in a nutshell, called the process of elimination.

A physicist solves an old thermodynamic puzzle and demonstrates directly from the second law that entropy disappears at absolute zero.

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A professor at the University of Seville has resolved a 120-year-old puzzle in thermodynamics, correcting a long-standing interpretation originally proposed by Albert Einstein.