The fundamental constants of physics, the collection of numbers that describe just how strong the forces of nature are .. Though every one of their values is derived from experiments, not from some fundamental understanding , they are integral to what we call the laws of physics : the constants make the laws work when we use them to describe the processes of natures . and because we assume that flying by flapping our arms will be as difficult tomorrow as it is today – that is , we assume that the laws of physics are immutable , eternal – we have to assume the constants don’t change either. which is why John webb has got himself into such trouble.
The laws and constants have helped us define and tame the natural world. but what if there are no immutable laws ? what if the constants aren’t constant ? or , as Webb puts it , a wry smile playing across his lips , ” who decided they were constant, anyway ?” ( 13 things that don’t make sense )