Another theory attempting to reconcile quantum mechanics and general relativity:
www.theguardian.com
So is Dr Who fiction or is there really a time-traveller at work? This is from 5(?) years ago:
Source: https://youtu.be/q2nNzNo_Xps?t=10
(why isn't there a Tardis / police box smiley?)

‘Wobbly spacetime’ may help resolve contradictory physics theories
Scientist proposes framework for reconciling mathematically incompatible theories of quantum mechanics and Einstein’s gravity
So is Dr Who fiction or is there really a time-traveller at work? This is from 5(?) years ago: