Next in the "Can Plasma?" series: can plasma be used safely around people? Short answer: it depends on your definition of "safely," "used," and "people." Let me walk you through what that actually means.

⏱️ Chapters

00:00 The question: can plasma be used safely around people?

00:31 Why the question hinges on three definitions

00:41 The welding torch test: would you hand one to a 7-year-old?

01:16 The unplugged torch at show-and-tell — context is everything

01:35 Hazard #1: Ozone (and why it disappears in a sunny field but not in a hospital)

02:14 FDA limits on human ozone exposure

02:33 Why hospital patient treatment is hard — but hospital laundry might work

02:56 Hazard #2: Ultraviolet radiation (why welders wear masks)

03:17 Hazard #3: High voltage

03:23 Why I'm talking about thi ...