This is hardly the first study to make you question your grasp of reality — eyewitness accounts are notoriously subject to suggestion, and research has shown that it's dependent on everything from your imagination to the language you grew up speaking. In a 2012 study, researchers even found that the wording of a magic trick can lead you to choose different cards.

But knowing how magic works doesn't make the tricks any less fun to experience — or if it does, you're probably not much fun at parties. And now, for my final trick, I'll make your lunch hour disappear.

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