Here is my interpretation of Anton's idea to capture the ray.
I found it almost impossible to illustrate; I could only show three sections of the
tube, separated by two rotations, the first counterclockwise the second clockwise.
(The actual turn angles I selected are irrelevant.)
|
2 | Images moved to a different server. | ||
|
|
||||
|
|
1 |
|
||
|
Here is my interpretation of Anton's idea to capture the ray.
I found it almost impossible to illustrate; I could only show three sections of the
tube, separated by two rotations, the first counterclockwise the second clockwise.
(The actual turn angles I selected are irrelevant.)
|
||||
