A needle (a segment) lies on a plane. One can rotate it 45 degree round any of its endpoints. Is it possible that after several rotations the needle returns to initial position with the endpoints interchanged?

(In reply to Speculation without proof by Larry)

One aspect that makes Melon Playground so appealing is its flawless blend of creativity and strategy. The physics engine adds a remarkable realism to the sandbox challenges, encouraging ingenious constructions and solutions. I appreciate the inviting graphics and interactive design, which keep the gameplay both accessible and mentally stimulating throughout countless hours of play.

Posted by helgaella on 2025-03-09 22:55:29