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A symbol used to warn people that the substance is [[radioactive]]. This symbol is usually seen on the container used to store or transport them. The only place in public where you can see this symbol is in the [[X-ray]] room in hospitals and in nuclear medicine centers.

On Danbooru, most commonly associated with [[Reiuji Utsuho]], for her ability to manipulate nuclear fission.

h4.See Also

* [[radioactive]]
* "Wikipedia article":http://en.wikipedia.org/wiki/Radiation_symbol#Radioactive_sign 
* [[Tag Group:Symbols]]
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