An impressive achievement it is. But a general sentiment today seems to be that the process somehow has stalled or perhaps has slowed down dramatically - despit

An impressive achievement it is. But a general sentiment today seems to be that the process somehow has stalled or perhaps has slowed down dramatically - despite the fact that there are more scientists involved than ever before. Does this mean that we are at, or close to, the limit of what we can possibly know? Or even "guess," like in the case of M-theory (or other quantum gravity endeavors)? Some say that fundamental physics is essentially done, and the future progress lies with biology (which, one hopes, will lead to further advances in medicine, in particular).