The science behind the stereogram craze of the 1990s. You might have remembered when sterograms appeared on Seinfeld. Learn about how these images trick the brain. Sources: MagicEye.com http://www.magiceye.com/ MagicEye.js http://peeinears.github.io/MagicEye.js/ EasyStereogramBuilder.com http://www.easystereogrambuilder.com/3d-stereogram-maker.aspx Subscribe to our channel! http://goo.gl/0bsAjO Vox.com is a news website that helps you cut through the noise and understand what's really driving the events in the headlines. Check out http://www.vox.com to get up to speed on everything from Kurdistan to the Kim Kardashian app. Check out our full video catalog: http://goo.gl/IZONyE Follow Vox on Twitter: http://goo.gl/XFrZ5H Or on Facebook: http://goo.gl/U2g06o