For a long time, the Kakeya conjecture, which involves rotating an infinitely narrow needle, kept mathematicians ...

34 seconds off the previous World Record of 3.47 seconds set by China’s Yusheng Du in 2018, which marked the fastest time it ever previously took to solve a 3x3x3 rotating puzzle cube.

The difference between the two—a major puzzle for cosmologists—has become known as the "Hubble tension". A rotating universe, however, could resolve this discrepancy, a study has proposed.

Rotating Rubiks Cube is an original puzzle that resembles Tetris but has more complex rules. First, you can flip parts before you run them on the field. Secondly, parts can only fall on other parts, ...