I have seen videos of nuclear testing. The majority of these show testing into the ocean. Are these full nukes? How does the radiation effect the water and the air? Do we still do these kinds of tests?
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The real video footage was all captured from real nuclear testing. However, we stopped doing a lot of this testing decades ago – first, tests in outer space and above ground were banned. Then, tests underground were banned. The last real tests by nuclear powers (such as Russia and the US) were conducted in the early 1990s. Real tests were of real “full” nuclear weapons, though reportedly at least one missile was scaled down because it was considered *too* powerful to test and there were fears about what it might do if detonated at full potential.
As far as “radiation” goes, you have to first understand that there is a difference between “radiation” (energy) and “contamination”. Radiation itself does not really affect water or air, it is just some form of energy or particle-carrying energy that travels through the air (not so much through water). The contamination of ground and soil is the dangerous part, this is when you have radioactive matter that gets mixed in to soil, for instance. This can remain radioactive and dangerous for many, many years. It can also be picked up into the air and carried by the wind and settle elsewhere, causing radioactivity to go up in places you don’t want it to, like regular towns… which did happen (look up “downwinders” of nuclear test sites).
These days, explosions are all simulated using very advanced computers. Except for in North Korea where they are trying to develop nuclear weapons and they are ignoring international law and actually testing real devices.
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