NASA’s probe exploring Saturn has found chemicals evidencing a life-friendly environment on one of its moons. But in a galaxy far, far away, fans at Star Wars Celebration were treated to the first trailer for the next film in the series. Finally a short clip about how video games are made got Luke and Zander curious as to how developers program 3D environments to render around a user in an efficient manner, talking about some of the tricks used to ease the load on your GPU.