Rather elementary but given that there's still some controversy around

Question

Rather elementary but given that there's still some controversy around

whether non-ionizing radiation is dangerous: https://youtu.be/FfgT6zx4k3Q

Also I recently finally realized why microwave ovens are enclosed despite their frequency not being dangerous. It can cook food throughout, including our body (70% of it is water after all). So I guess that the frequency isn't an issue, and only the sheer power at which it operates is?

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08.07.2019