John Carlos Baez on Nostr: npub1z2qdm…u3yuf - there are as many oxygen atoms in a single molecule of water as ...
npub1z2qdmfzhs2uwg8kmsh37xavt2hq48gch63e787ggd3s6mt8waxgsxu3yuf (npub1z2q…3yuf) - there are as many oxygen atoms in a single molecule of water as there are stars in the entire Solar System.