Category talk:Radioactivity symbols
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Wrong categorization[edit]
The usual yellow warning sign is actually NOT a radioactivity symbol. It is a warning sign of Ionizing Radiation.
Ionizing radiation is a much broader category than just radioactivity. It is also caused by particle accelerators and medical equipment such as x-ray scanners or beam-cannons for example. It is true that radioactive radiation is (usually) also ionizing, but it is just a sub-group.
The categorization of all these symbols should therefore be changed accordingly. There are however work in progress to introduce a new red warning sign of Ionizing radiation, so perhaps a bit of this sad mess will be easier to handle in the future. See here: [1]