Random twists of place: How quiet is quantum space-time at the Planck scale?

Fermilab scientists have been conducting experiments to look for quantum fluctuations of space and time at the smallest scale imaginable according to known physics. At this limit, the Planck length, our classical notions of space and time break down.

Source:
https://phys.org/news/2021-02-random-quiet-quantum-space-time-planck.html