Noyberg & Bulka designed the Sew-ink stamps as a way of revamping old clothes. "The inspiration for our project began with working with our own sewing machine trying to make an interesting pattern ...

SunFly’s invisible ink stamp notifies you when it’s time to put on more sunscreen. (SunFly Photo) Researchers say we don’t put on enough sunscreen. A Seattle startup has come up with a ...