Quote Originally Posted by Taunton Blue Genie View Post
Up until a couple of months ago, it hadn't been published in any reputable scientific journals. (I'm not sure if that situation has changeds since then, though). From what I understand, reputable experts in archaeology and Egyptology (and this team of Italians were of neither cohort) are still not convinced of the claims concerned.
I saw some fairly sensible discussion on the subject, that sugested that the likely explanation was it was sand that had been compressed over the centuries by millions of tonnes of pyramid into effectively sandstone pillars, which is what the sensors were picking up