No HD home entertainment system would truly be complete without one final, modern feature: the third dimension. 3D glasses, in conjunction with 3D-capable televisions, make three-dimensional viewing possible. There are two types of 3D glasses: active and passive. We will cover the details of each. Active 3D glasses are also known as “shutter” 3D glasses. These are mostly prevalent at home, instead of in theaters. Often, they use LCD lenses, controlled by electricity either to [...] Read more »