What became the Magic Eye illusion fad of the 1990s was born by way of the stereogram of the 1950s (and even before that). It's a winding story that you'll love!
See omnystudio.com/listener for privacy information.
Fler avsnitt av Stuff You Should Know
Visa alla avsnitt av Stuff You Should KnowStuff You Should Know med iHeartPodcasts finns tillgänglig på flera plattformar. Informationen på denna sida kommer från offentliga podd-flöden.
