Getting your first telescope should feel exciting, not frustrating. If I avoid a few common beginner mistakes, I can turn ...

HOTECH’s Advanced CT Laser Collimator uses a flat mirror at the eyepiece location, a target placed in front of the telescope, and three lasers to align your Schmidt-Cassegrain telescope. You can ...

Figure 1: Two-dimensional cartesian particle-in-cell (PIC) simulation modelling the device consisting of hollow-cone and fine fibre-like plasmas. Figure 2: Demonstration of guiding and collimation of ...