https://en.wikipedia.org/wiki/Long-term_nuclear_waste_warning_messages
People have put alot of thought into this exact topic and there’s no easy answers
https://en.wikipedia.org/wiki/Long-term_nuclear_waste_warning_messages
People have put alot of thought into this exact topic and there’s no easy answers
I mean, testing showed it generally got the point across even if people didn’t understand why it was dangerous
Researchers came up with a warning symbol for this exact scenario
“In the aftermath of repeated incidents where the public was exposed to radiation from orphan sources, a common factor reappeared: individuals who encountered the source were unfamiliar with the trefoil radiation warning symbol, and were in some cases not familiar with the concept of radiation. During a study in the early 2000s, it was found that only 6% of those surveyed in India, Brazil and Kenya could correctly identify the meaning of the trefoil symbol.”
So like a Pioneer plaque but spelling out in pictogram form particle physics and nuclear decay