After many hours of debugging we have our DEC PDP-9 running the ADSS Monitor (Operating System) again. As far as we know it is the only running PDP-9 on the planet.
@justplainscott I am not 100% sure, but I am guessing it is not worth repairing, but you could ask Apple. The waterproofing involved makes it very difficult to open and repair.
For the first time, EHT scientists have mapped the magnetic fields around a black hole using polarized light waves. With this breakthrough, we have taken a crucial step in solving one of astronomy’s greatest mysteries.
Credit: EHT Collaboration
#MagnetizedBlackHole#EHTBlackHole
Happy 20th Birthday Mac OS X! I still remember when we named you. In a small room in IL1. When Steve slashed a large X on the wall and smiled. Look at how far you’ve come from a young Cheetah.