'Cars' stunt

I must admit I loved Cars. It was fun, and the message about sportsmanship and teamwork was portrayed very powerfully. I was a bit foxed by a trick that Doc teaches Lightning McQueen -- how to turn right by steering left! So I was happy to find this article on Popular Science which gave me a reasonable explanation.
Link to article

New honeycomb tire is "bulletproof"

http://news.cnet.com/8301-13639_3-10098240-42.html?part=rss&subj=news&tag=2547-1_3-0-5

Will this, someday, spell the end of tyre inflation?!