The Rubik's Cube, which is popular all over the world, is a three-dimensional puzzle that is so difficult that even beginners cannot match it. However, the world record for the fastest time to match ...

On a September afternoon in 1980, I boarded the Coromandel Express at Howrah station. The train arrived at Chennai Central (then ‘Madras Central’) early evening the next day. I caught another train ...

The first time I watched 16-year-old Oliver Phillips solve a Rubik’s Cube, I blinked and nearly missed the whole thing. From ...