I can get that we may have created something (quark-gluon plasma) at 4 trillion degrees Celsius that is hotter than a supernova, but…
How could we have created the coldest thing ever, at 100pK (less than 1 K), and that there is nothing colder? Might a single atom in deep space not have less energy? Apparently some nebula is the coldest thing out there.
In: Physics
>ever observed
This is the reason. It’s going to be hard for something to get much colder than that and it would be *really* hard to detect it with that little energy coming off of it. A single atom in deep space even more so.
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