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  • ...bro ken or da maged. In 1938, it was di s co vered that when nu clear par ticles called neu trons were fired at u ra nium a toms, they would split, or break in two. Sam: This pro cess of splitting u ra nium, or fi ssion, did two things. First, it re leas ed huge a mou nts of en ergy, a bil lion...

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