#7 – Exit Signs
via upload.wikimedia.org complain
The glowing exit signs guide people to safety during various disasters. Due to the radioactive isotope of hydrogen within the sign, it turns out such a glow effect.
However, there is another danger: if this sign breaks, radioactive isotopes, getting into the air, can infect the entire building.
#interesting , #radioactive , #banana , #brazil_nuts , #paper , #cigarettes , #denver
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