Hot answers tagged vacuum
What causes these constants to have the values they do is simply our choice of a system of units. When you have a unitless constant, it makes sense to ask why it has the value it does. For example, two of the lines in the visible spectrum of hydrogen have wavelengths in the exact integer proportion of 28/25. When this was first discovered, it made sense to ...
Only top voted, non community-wiki answers of a minimum length are eligible