FoamBot is famous
This update comes in really late. But the news is awesome none the less. A project that I was working on for past several months at Modlab, UPenn, got published at IROS 2011 and was picked up my the media in no time.
Wired IEEE Spectrum Gizmodo Tecca Geekosystem NewScientist
The idea was to have robots build robots using binary spray foam. This foam is usually used for insulation but is a great candidate for building rapid robot parts on the fly.
Special thanks to Shai Revzen for the lead and Antonio Macasieb for the support.
Videos of the FoamBot system at work: