One of my astronomy managers used to tell me that liquid nitrogen was harmless and was just liquid air. He would pour it onto his bare hands to demonstrate how safe he thought it was. I was later to realize that incompetence was a feature of high altitude astronomy.

I have been through the OSHA system twice and I can confirm that I did not have the right to a safe workplace or whistle-blower protection on either occasion.

One of the biggest lies that is currently being told in the USA workplace is on the legally required OSHA poster: All workers have the right to a safe workplace.

Regarding society, if I am healthy, well fed, live in a warm home and feel safe with my family, then I am in a good place.

Make America Safe Again!

You do not seriously think that irradiating over 7 billion people on planet Earth is a safe activity, do you?

The toxicity of medical and industrial gas to the human depends on where it is used. A gas that is regarded as safe in a well ventilated environment at sea level may be a toxic gas in an indoor environment at high altitude.

Make America Safe Again.

People feeling the need to live inside of Faraday cages is a sad reflection on modern society that humans are devolving into living inside of safe spaces.