Double-sided circuit boards might be able to pass through the process using a single stencil. This is known as an A/B flip ...

www.amazon.com Apply the ink with a stencil and the tattoo will develop over the next day to look like the real deal.

Marni Rose McFall is a Newsweek reporter based in London, U.K. Her focus is on U.S. politics, social affairs and popular culture. She has covered fashion, culture, art and music extensively.