Aún no tenemos significados para "unstable isotopes".
1Let's say we start with a million unstable isotopes of carbon.
2But what if all the available molecular feedstock is contaminated with unstable isotopes?
3They require rare radioactive isotopes as fuel, and their by-products are unstable isotopes, which are themselves radioactive and harmful to people.
4Unlike physical "systems"-bacteria ,animals ,menand stars-unstableisotopes do not individually have a predictable life span.
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