3 ms·
https://www.physicsforums.com/threads/the-planck-circle-problem.130303/ https://www.physicsforums.com/threads/the-planck-circle-prob...
by rolph 3y ago
https://www.physicsforums.com/threads/the-planck-circle-problem.130303/ https://www.physicsforums.com/threads/the-planck-circle-prob...