I hammer and roll some pure gold powder until it cold (warm?) welds into a sheet. Link to Open Space interview: https://www.youtube.com/watch?v=PUmZnPRRjxc Help me make videos by donating here: https://www.patreon.com/CodysLab Follow me on Facebook: https://www.facebook.com/codydonreeder SubReddit: https://www.reddit.com/r/codyslab/