On Sunday, December 3, 2017 at 6:02:08 PM UTC-7, Davoud wrote:

Gary Harnagel:

...There are some
universe-shaking things yet to discover. One of them is the problem of
dark matter. Another is the incompatibility of general relativity and
quantum electrodynamics: once a viable quantum gravity theory is achieved,
it will drastically change our conception of cosmology, IMHO.

When do you reckon that will happen?

Tomorrow? Next year? Next decade? 50 years? Who knows? There are
several avenues of quantum gravity being investigated.

https://plato.stanford.edu/entries/quantum-gravity/