The nature article is available at http://www.nature.com/nature/journal/v444/n7122/a
Enter the "Tweel" - the next generation of tires. Billed dramatically as "the first tire innovation for a century", the Tweel was designed by Michelin for Dean Kamen of Segway fame. They are "airless" and invulnerable to puncture and most wear. A pair of these made their public debut at the Philadelphia Ca
It seems that more and more mathematicians are using a new, high level language named "research student".