I've seen that one before. My optics prof was planning on testing it out for the undergrad classes, where the precision was within tolerances. It was gonna free

I've seen that one before. My optics prof was planning on testing it out for the undergrad classes, where the precision was within tolerances. It was gonna free up a few grand worth of optics equipment to go into the grad level labs and the research labs. He seemed pretty pumped about it.