But solving that dilemma by creating a two-speed Europe with more top-down, remote governance cannot be the answer.

BBC: Referendum St

Composing and solving them remain popular, even with high-speed chess computers.

ECONOMIST: Self-inflicted puzzles

Speed--of implementation, of problem solving--shows IQ and commitment.

FORBES: Can Software Startups Succeed?

Mining involves solving a hard mathematical problem and miners typically use large numbers of computers to speed up the number-crunching involved.

BBC: Bitcoin miners generating high energy bills

Mining involves solving a hard mathematical problem and miners typically use large numbers of computers to speed up the number crunching involved.

BBC: Bitcoin miners hit back at cyber-thieves