You may have recently seen telepresence robots played for laughs on The Big Bang Theory, but they do also have quite a few practical purposes, and high school student Lyndon Baty from Knox City, Texas is now using one to particularly great effect. He has a weakened immune system that prevents him from actually attending school, so he's using a remotely-controlled Vgo telepresence "robot" that allows him to move from class to class and interact with teachers and other students using nothing more than his laptop and webcam at h