On Mar 14, 11:44*pm, "
wrote:
http://www.cnn.com/video/#/video/tec...tweel.tech.cnn
Not solid rubber, rubber support ribs radiating from the hub.

Yeah, in the four years since I read about th' tweel,
it has revolutionised transport as we know it.

'member the bad ol' day(s) when we had to replace
just the outer rubber covering on our (p)neu(u)-
matic Hweal-tire hybrids? Morons! Using the devil's
spirit to suspend something when good ol' flexible
petrochemicals could do the same job at some
thousands of times the weight* and only one order
of magnitude greater in cost!

*sorry: ~0.0012g/ml v. ~1.25g/ml, so closer to
1041 times (frowny face)