Create a 3D “hologram” illusion with your smartphone! This DIY tutorial by Arun Maini, inspired by YouTuber American Hacker, shows us how with the help of an old CD jewel case, some graph paper, a pen, scissors, an x-acto knife, clear tape or glue, and your smartphone. The illusion is completed when a specially-made four image video reflects in the transparent plastic. Two examples below:
Note: While these illusions are called holograms—”3D images created by interference of light beams” that don’t need “special lenses, screens or other props”—this illusion is created with reflections of light.
• Pepper’s Ghost ‘Hologram’ Illusion, a lesson activity from Vancouver’s Science World.
• Peppergram vs Hologram, a .pdf from Laser Classroom.
After you’ve turned your smartphone into a 3D “hologram” projector, turn it into a digital microscope for around $10.
Plus, explore more about Pepper’s Ghosts.via Motherboard.