Just as the “inverse square” law applies to photography lighting, it also applies to radiation.


Double the distance to get 1/4 the light or radiation.

What if the distance is halved? Exposure quadruples.

What if a radioactive isotope is IN CONTACT with tissue? Reverse inverse-square?


Comparing the energy of prolonged, direct contact with inhaled or ingested radioactive isotopes with bananas, x-rays or a flight in an airplane is a sleight of hand diversion.



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