Unexplained Sound Technology (2025) - FAQ
Frequently asked questions about this film.
What is the Hal-Saflieni Hypogeum?
The Hal-Saflieni Hypogeum is a prehistoric underground structure in Malta that dates back about 6,000 years and was used as a communal burial site.
How many skeletons were found in the Hal-Saflieni Hypogeum?
More than 7,000 skeletons were discovered within the Hal-Saflieni Hypogeum when it was first excavated.
What frequency does the Hal-Saflieni Hypogeum resonate at?
The entire Hypogeum resonates at a specific frequency of 110 hertz.