A paper posted online this month has settled a nearly 30-year-old conjecture about the structure of the fundamental building blocks of computer circuits. This “sensitivity” conjecture has ...

I guess you could do worse than having a Rubik's Cube for a head. Sure, people from the 1980s would be forever trying to solve you, but it would make for a great talking point at parties. Tessa ...

IF YOU ARE among the relatively few who can solve a Rubik’s Cube in mere seconds, then you are one of the lucky ones. And if you can resist the call of the tint-spinning toy, then you, too, can ...