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Unexplained Sound Technology

202522 minPG

Synopsis

More than 7,000 skeletons were found in the Hal-Saflieni Hypogeum, a prehistoric burial site in Malta dating back about 6,000 years.

Deep Dive

Why Watch

  • See how ancient Malta engineered the Hal-Saflieni Hypogeum.
  • Find out what happened to the 7,000 skeletons discovered there.
  • Meet the researchers testing the Hypogeum's unique sound properties.

Did You Know

  • The Hal-Saflieni Hypogeum dates back to about 6,000 years ago.
  • More than 7,000 skeletons were found in the Hypogeum when discovered in 1902.
  • 11 elongated skulls were salvaged after the site was plundered during WWII.
  • The Hypogeum resonates at a specific frequency of 110 hertz.

Perfect For

Ancient architectureAcoustic scienceExtraterrestrial theories
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Frequently Asked Questions

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.

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