Scientists map massive underground structures beneath the Giza Pyramid

[listopencil]

Originally Posted by Rain Man

The repeating pattern of the "columns" makes me wonder if there's some equipment vibration or atmospheric interference that didn't get corrected for. Wasn't there some astronomy lab that excitedly announced a regular pattern of pulses coming from outer space, only to learn later that it was the microwave in their break room causing interference?

If it's radar, what do the different colors represent? More or less signal return? Are we supposed to assume that this indicates density?

[Rain Man]

Originally Posted by listopencil

If it's radar, what do the different colors represent? More or less signal return? Are we supposed to assume that this indicates density?

I would presume it's something density-related, though I know far less about this than I do about football.