Uploaded July 2023 | Updated September 2026, 1 week ago
Is the horizon curved?
1) If the horizon is a circle AND
2) If the horizon drops below eye level THEN
3) The horizon is curved
Jump Ahead
0:00 Intro
0:18 Practical Demonstration with a Hula Hoop
1:08 3D Visualization
4:55 Summary
6:14 Questions
Is the horizon curved?
1) If the horizon is a circle AND
2) If the horizon drops below eye level THEN
3) The horizon is curved
Jump Ahead
0:00 Intro
0:18 Practical Demonstration with a Hula Hoop
1:08 3D Visualization
4:55 Summary
6:14 Questions










