While I have a strong drive to enjoy my physical life, I know — really know – it’s just temporary.  Against the backdrop of eternity, our human lives are very, very short… little more than a cosmic wink.  Some people treat that as a serious problem, but it really doesn’t have to be. When someone crosses over, such [...]

Stereo vision is one of our more fascinating human abilities.  Our eyeballs capture 2D snapshots of our environment, and our brains and visual circuitry rapidly combine them into 3D images.  So even though our eyes are perceiving reality in two dimensions, by combining the data from both eyes in a specific way, we perceive our [...]