There are some glasses-free 3D TVs around, but their limited viewing angles and poor picture quality aren't very inspiring -- so Fraunhofer's latest project is a welcome endeavor. It's developed STAN (STereoscopic ANalyzer), a system that lets broadcasters easily use four cameras instead of the usual two, for 3D recording. 3D needs a minimum of two lenses to register depth and keeping multiple shooters in sync is to
