On Mon, 4 Apr 2022 at 15:26, David Mertz, Ph.D. <david.me...@gmail.com> wrote: > > On Mon, Apr 4, 2022, 12:53 AM Brian McCall >> >> > An electron volt is a unit of energy. Or of mass. Or of momentum. >> An electron volt is a unit of energy and only a unit of energy. Knowing a >> particle's energy (in certain situations) means that you also know other >> physical quantities about that object, and so in casual conversation (and >> the occasional poorly reviewed journal article) you find them used >> interchangeably. > > > This is just flatly wrong of usage in particle physics. Electron volts are > precisely the default units used to describe the mass of subatomic particles. >
Not a particle physicist, so I don't know what the usage actually is, but wouldn't mass actually be eV/c²? If that's frequently written as simply "eV", then that's another example of common non-SI usage that really should be supportable, but only within its context. ChrisA _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/KKPRFVF6ECHKB36LBEKR3BMY457M2MFL/ Code of Conduct: http://python.org/psf/codeofconduct/
