APK files for use in a Android Smartphone in this kind of optical illusion: https://www.youtube.com/watch?v=s4FehKoPEgs and here: https://www.youtube.com/watch?v=5PrK-y1Eaqo , called "Pepper's Ghost" after John Henry Pepper who who popularized the effect in a famed demonstration in 1862. However this optical illusion was actually invented much e…
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Updated
Jun 24, 2021