[editor-surveyor]

.
Ground penetrating radar has been in constant use in the valley of the Kings for about 30 years.

The chambers that it finds tend to be reservoirs and discharge ports for the sand that operates the booby traps.
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[amorphous]

I suspect they're using something like this: https://www.ll.mit.edu/publications/journal/pdf/vol19_no1/19_1_4_Peabody.pdf

This new technology can see through concrete, stone, houses, metal plate, truck bodies and etc.

[tumblindice]

"sand that operates the booby traps." Save the Boobies!