This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
For the first time, Northwestern University physicists have coaxed a single positron — the antimatter counterpart of an electron — into an exquisitely controlled quantum state.
you’d need several dozen, maybe a hundred uranium nuclei doing fission at once to knock over a coarse grain of sand.