[By Timothy Fernandez, CNET] 3D movies are nothing new these days, with polarized glasses used almost exclusively in 3D cinemas throughout the world. Most of us who’ve caught a 3D movie at the cinemas recently, probably experienced the more common RealD 3D technology.  A few weeks ago, Singapore cinema operator, Shaw Organization, opened its doors to the country’s first Imax Digital 3D screen. Larger countries in Asia have several Imax screens. South Korea, for example, boasts about 10 screens while the Philippines has four. China–unsurprisingly–has over 20. Keep in … Continue reading An overview: RealD 3D vs. Imax Digital 3D