Bosnian Pyramids

  1. Dr. Semir Osmanagic presentation on the on pyramids around the world, with emphasis on the Bosnian Pyramid Complex.
  2. The Bosnian Pyramid of the Sun – Mayan Elder Visits the Ravne Tunnels



Graham Hancock at Horizons 2014

Graham Hancock gives his perspective on psychedelics like DMT, ayahuasca, san pedro and marijuana and how they have been used since ancient times to connect with the divine/spirit. He also talks about ancient sites and civilizations, the paradoxes they bring to the forefront. There is an interesting question and answer session towards the end.

SBResearch: About Archaeoacoustics

International archaeoacoustics collaborative effort, SBResearch, present an introduction to what Archaeoacoustics really is and why it is worth exploring. They also talk about some of their methodologies, equipment, research and findings.

Graham Hancock at Greesborough College

A relatively old presentation by Graham Hancock, talking about the amnesia of our current civilization. He presents evidence for the fact that there is more than meets the eye when we try to understand who built ancient sites like the pyramids, and what was the reason for their constructions. He also talks about psychedelics and their implications on consciousness.

Are there differences in auralisation between the Hypogeum of Hal-Saflieni and a modern auditorium with the same RT60?

Some ancient structures have psychoacoustic effects on human brain which alter the brainwave frequency.

Our study aims to show that the differences between the acoustics of Hal-Saflieni and a modern auditorium are perceptible even though both sites may have the same reverb time. Listening tests will be designed and conducted for data collection. Population will be selected among mixed students from audio-related courses (expert listeners).


Listening tests have been conducted on an expert panel of 13 subjects. The subjects completed 10 trials of an ABX test. The samples were 30 second sine sweeps [(logarithmic) from 65 Hz to 130 Hz (1 octave as resonances were found in this region in other studies, eg: 110 Hz)] convoluted with the impulse responses of the Cathedral of St. Etienne and Hal-Saflieni hypogeum. The RT60 for St Etienne is 7.81s and Hal Saflieni is 7.78s.

Convolution processing using Audioease Altiverb 6.1.2