3 ms·
> and that the "bel" unit was devised as an afterthought to fit the SI prefix. It's named after Alexander Graham Bell, in 1928 at Bell Labs. https://en.wikipe
by jpmattia 10y ago
> and that the "bel" unit was devised as an afterthought to fit the SI prefix.
It's named after Alexander Graham Bell, in 1928 at Bell Labs. https://en.wikipedia.org/wiki/Decibel#History https://en.wikipedia.org/wiki/Decibel#History (Yes I worked there, it was part of indoctrination training... :)
> because "deci" means 10.
Really, it means 1/10. ("Deca" is 10.)