Observatory Quotes

When I worked in astronomy, I routinely observed young college and university students working with liquid nitrogen and breathing nitrogen gas as they discharged it into the indoor environment at high altitude.

At the age of 46 I was starting to see the appearance of rainbow halos and starbursts around bright nighttime lights, problems reading small print, focusing issues with my eyes, and image recognition issues. I had been exposed to bright high powered 20 watt scattered sodium LASER light a decade earlier in very high altitude astronomy.