Timeline for Is surface $x^2+z^2=2\cdot y^2$ something of a Möbius strip?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 1, 2013 at 7:08 | comment | added | Włodzimierz Holsztyński | What a pleasing picture, very nice! | |
| Jul 1, 2013 at 0:20 | comment | added | Will Jagy | instead $\arctan \sqrt 2$ | |
| Jul 1, 2013 at 0:14 | comment | added | Will Jagy | Yes, it is a circular cone, it is just that the angle of the generating line with the axis of rotation is not 45 degrees. | |
| Jul 1, 2013 at 0:06 | history | answered | Joseph O'Rourke | CC BY-SA 3.0 |