4 ms·
Assigning an absolute number is much more difficult than assigning numbers on the relative difference between things. Just take the use of dB in acoustics or t
by welterde 9y ago
Assigning an absolute number is much more difficult than assigning numbers on the relative difference between things.
Just take the use of dB in acoustics or the magnitude system in astronomy.
- majewsky 9y agoBoth dB and the magnitude system have nothing to do with difficulty, and everything with practicality. The dB scale is defined in terms of air pressure, which runs on a linear scale.