> This is true, but I don't think many people think of laser as anything other than "dangerous light."
"Many people" have taken first year physics, or at least read a wikipedia article, and understand that the defining feature of a laser is its coherence.
But, sure. It's 2020. We live in a post-factual society, words have no meaning and it's impossible to know anything. Why resist?
"Many people" have taken first year physics, or at least read a wikipedia article, and understand that the defining feature of a laser is its coherence.
But, sure. It's 2020. We live in a post-factual society, words have no meaning and it's impossible to know anything. Why resist?