File this one under smartphone hacks that are definitely-unnecessary but-insanely fun. When simple science meets smartphones, the result is a nifty little “hack” that can be performed in just a few minutes for less than $1 in supplies. In fact, this might be one of the coolest little iPhone and Android phone hacks we’ve ever seen, allowing you to transform any smartphone into a 3D hologram projector in no time at all. DON’T MISS:-Get ready: 8 new products Apple will release before 2015 is over Using just a few cheap items — in fact, you definitely have almost everything you’ll need for this hack-lying around the house — YouTube user “Mrwhosetheboss” will teach you how to transform your smartphone into

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