I don't think the image is supposed to be the 'real deal' is it? I thought it was just intended to be illustrative. But then, given the origin of
the image (which I think is here: source
perhaps not. No indication is given on that site that the image is intended to be merely representative of the phenomenon.
Either way, the comments made by others are all valid.
A compander has nothing to do with the ridiculous pseudoscience mentioned in the article, and is, as previously stated in here, to do with compression
and expansion of audio (source
I find it suspect, also, that the article refers to a "team of physicists", without making reference to who they are, or where they've come from
(which is always a giveaway). The site first listed, however (piramidsunca.ba), does contain ties to the 'Bosnian Pyramid of the Sun Foundation',
which was apparently founded by Dr. Sam Osmanagich, who has ties to several archaeological institutions. Whether that lends him any real credibility
or not is up for debate.
I guess ultimately it's possible to discard the reports of 'strange energy', and still have a fascinating study in anthropology and archaeology on
our hands... the pyramid is certainly interesting, and I'd love to know more about it. Anyone got any further information about the pyramid itself?