On January 5, 2025, in Sichuan, China, @zbbwén shared a video of a student doing his daily training for an aviation course. In the video, the student is seen standing on a rotating swing and ...

When you set the pendulum swinging it will continue to swing in the same direction unless it ... At the north pole the apparent rotation would be a full circle of 360 degrees each 24-hour day, or ...