Tag Archives: optical illusions

Blogcast #7: Dynamite Magazine Harry Houdini Punch-Out

Posted on March 30, 2019 by Houdini

By Tom Interval Dynamite magazine, issue #79, December 1980, features an article about Harry Houdini titled “HOUDINI: The Magic Man Who Knew Whodunit!” As part of that theme, the mag includes a companion two-piece punch-out that, when constructed, becomes a mechanical toy showing … Continue reading →

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Blogcast #6: Houdini Optical Illusion on National Geographic Brain Games

Posted on March 27, 2019 by Houdini

By Tom Interval In 2013, National Geographic’s Brain Games commissioned artist Pete Fecteau to create a Rubik’s Cube mosaic of the Houdini two-face optical illusion I made that year. I wrote about it at the time, and that’s the subject of today’s blogcast. Hope you … Continue reading →

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Houdini Illusion Color-Changing Mug

Posted on January 20, 2015 by Houdini

By Tom Interval Okay, so you have to check out this mug—one of the coolest out there (see the 1 min. 49 sec. embedded video below). Yes, I’m a bit biased since I’m the one offering it on the Interval Magic CafePress Store. However, I … Continue reading →

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