Perplexed by the mystery of Nikon's Coolpix S1000pj projector camera? Like the puzzle of free energy or Google Wave, it's a quandary that has perplexed researchers and common folk alike for decades (or at least a few months). It looks we can now finally lay this particular quandary to rest, however, as leading scientific journal Tech-On! has finally revealed how something can be both a camera and a projector at the same time. It turns out the key is a new L-shaped projector module developed by Nikon itself, which is just the right size to fit inside the camera alongside some repositioned optical compo