A few years ago, [Mitch Altman] from Noisebridge came up with the idea of a Hackerspace Passport. The idea behind it was not to hinder or monitor travels but to encourage visiting other hackerspaces.
Israeli designers Idan Noyberg and Gal Bulka have replaced sewing-machine needles with stamps that print lines of patterns onto fabric. Noyberg & Bulka designed the Sew-ink stamps as a way of ...