Yes, you read the title of this article right!
ROOT has been used, together with other tools such as Geant4, for the Discovery of a big void in Khufu’s Pyramid by observation of cosmic-ray muons! Enjoy this video, especially minute 2:06.
This is a companion discussion topic for the original entry at https://root.cern/blog/discovery-of-a-big-void-in-khufus-pyramid/