Square deal on new tires?

[bcp]

 

[farmgirl19]

I'll bet they are rough riding!

 

[Iowan]

Never have to set the parking brakes.

 

[Lightnsound]

Here's how square wheels can actually work. Kinda.


http://youtu.be/LgbWu8zJubo

 

[mvwicker]

If you use rollers rather than wheels on an axle, then any curve of constant width will do:
Curves of Constant Width - YouTube

 

[mvwicker]

...and here's some more fun with geometry: how to drill a square hole:
How to Drill a Square Hole - YouTube

(silent animation, with captions in Russian)