Someone was asking (it may have been in a post that was subsequently deleted) basically what Sam has ever posted that was any good. I hate being in the position of apparently defending a guy with such a long record of right-wing nuttery and well-documented dishonesty, but the answer is, many of his non-political posts are useful and informative. I’m not about to go on a long search, but here’s one link below.
My point is obviously not to defend his political mendacity, but to defend him as an otherwise intelligent human being. Here he is giving advice on telescopes from his experience as an amateur astronomer: