Researchers present evidence of sophisticated sonic illusions in ancient sites around the world. Image courtesy svachalek via flickr. (ISNS) -- Stone Age cave paintings evoke reverent silence in most people. But David Lubman, Miriam Kolar, and Steve Waller prefer to shout and clap instead. They are among a growing number of researchers probing the acoustic properties of ancient sites. Their research, presented this week in Vancouver, British Columbia at the meeting of the American Association for the Advancement of Science, shows that ancient peoples created sophisticated sonic illusions in ceremonial spaces ranging from Mayan temples to Stonehenge.
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