Feb 22 2013 52 mins
Lumi makes a fabric-dye that becomes permanent when exposed to bright full-spectrum light, as from the sun. But that's not why the founders, Jesse Genet and Stéphan Angoulvant, are on the show. Rather, it's the way, starting with an obsession of Jesse's when she was 17, that the two bootstrapped a company using collaboration, crowdfunding, and craftiness.