Why do we have e.g. nuclear waste, if mass can be converted to energy?

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My knowledge about school level physics is admittedly not that fleshed out, but we were told that it is possible to convert mass to energy. My google-fu has sadly left me for my question here 🙁

So why can’t we just take e.g. nuclear waste and convert it to energy? After that so is my understanding it wouldn’t simply exist as matter anymore and wouldn’t require to store dangerous trash if you can convert it all to energy.

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Anonymous 0 Comments

Just a quick side note: we can actually derive power from nuclear waste. The technology has existed since the 60’s. But the non-proliferation movement in the states in the 70’s resulted in a ban on its recycling (as you effectively refine uranium again and again into higher grade/plutonium) .

Japan does this now in their reactors, so it is commercially viable

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