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 Acoustical Detection of Aircrafts
From the first world war until the 30's air acoustics played an important role in the air defence. As radar was still to be discovered, vision had to be supplemented by hearing using the sound of the engines. (MUSEUM "WAALSDORP": TNO-FEL Museum).
Ancient Acoustics Project
Archacous's Page
Scientific Applications of Acoustics to the Study of History (Acoustical Society of America)
CESAR-LCPC : Ancient structures
Chirped Echo from the Mayan Pyramid of Kukulkan at Chichen Itza
David Lubman of the Acoustical Society of America argues that the echo sounds like the primary call of the Mayan sacred bird, the Quetzal.
Mayan Ruins and Unexplained Acoustics
Discussion of various acoustical oddities of the Great Ballcourt and the Castillo at Chichen Itza and the pyramids at Palenque.
Moving Beyond Prophecies & Predictions
By Cynthia Gage (Atlantisrising)
Rock Art Acoustics
Steven. J. Waller's Home Page
The SPHINX Group -- Methods to Monolith, Leedskalnin
Stone Structures and Sound
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