Is There Anything Left in the Dream of Cold Fusion?

quantamagazine.org

21 pointswawayanda3 comments

Learning about "the third dimension of the periodic table" (exotic atoms) from this article just fills me with wonder.

I wish I were a particle physicist... Such an amazing field, where you get to try to tear open the universe and peek inside.

> They have even created hybrids of matter and antimatter, in which a nucleus containing protons is orbited by negatively charged antiprotons. In short, you can have regular hydrogen, muonic hydrogen, kaonic hydrogen, antiprotonic hydrogen, and so on.

Most of them live for a very short time, less than a millisecond. If you want to start with something that you can buy and put on your desktop try https://en.wikipedia.org/wiki/Heavy_water But beware that it's almost identical to normal water. (The other variants discussed in the article are more different but very expensive and short lived.)

Yes. Those neutrons were real.

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