«The laws of science, as we know them at present, contain many fundamental numbers, like the size of the electric charge of the electron and the ratio of the masses of the proton and the electron. (religion.blogs.cnn.com)
The existence of hypothetical particles called magnetic monopoles would explain why electric charge comes in integer multiples of the charge of an electron instead of a continuous range of values, Emily Conover reported in «Magnets with a single pole are still giving physicists the slip» (SN: 2/3/18, p. 10). (sciencenews.org)
«We can't say if it's the speed of light or the charge of the electron or all of them,» Churchill says. (discovermagazine.com)