'So light & strong, 1 pound could stretch around the Earth, the silk spiders spin to hang from is called <a href="http://www.j-archive.com/media/2011-02-04_DJ_30.wmv">this</a> kind of line'
a dragline
NOVA: MAKING STUFF: So light & strong, 1 pound could stretch around the Earth, the silk spiders spin to hang from is called this kind of line
So light & strong, 1 pound could stretch around the Earth, the silk spiders spin to hang from is called this kind of line
So light & strong, 1 pound could stretch around the Earth, the silk spiders spin to hang from is called this kind of line
NOVA: MAKING STUFF
a dragline
NOVA: MAKING STUFF