A century in the past, it was doable for a physicist to know virtually all the pieces there was to learn about physics. Now, that is removed from the case. It isn’t that the physicists of at present are much less competent. The downside is that people merely know a lot concerning the inside workings of the universe that it’s unimaginable for somebody to be deeply conversant in all of it. As a end result, at present’s tendency is to supply specialists.
For instance, I skilled initially as a relativist: common relativity and quantum extensions of it, utilized to cosmology, have been my specialist areas of physics. Eventually,…