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Electric charge released by radiation from cold war nuclear bomb tests may have changed rainfall patterns thousands of kilometres away, in the UK.
Rain is formed in warm clouds when small droplets of condensation collide and merge to form larger and larger droplets, until these fall down as rain drops. Electric charge in the atmosphere, including that formed during the radioactive decay of strontium-90 and other radioactive material used in nuclear weapons, can increase the likelihood that these small droplets will collide …
source: newscientist.com