Turn Your Smartphone into a 3D Hologram
So the 21st century isn't exactly what we'd thought it'd be. No one's driving flying cars, we still don't have jetpacks, but at least smartphones are a thing. Besides being a miniature computer in the palm of your hands, you can now turn your smartphone into a 3D hologram thanks to mrwhosetheboss.
While I'm not sure how handy this trick is, it's sure to wow some of your friends!