From: Brian M. Scott
Message: 59463
Date: 2008-07-04
> Do you know what you have to do then? It's not an easyPoul Anderson, 'Three-Cornered Wheel', Analog, October 1963.
> job. You have to reinvent the wheel, using some shape
> other than the circle already in use, and the thing has to
> roll just as smoothly as the wheel we already know and
> love so well.