1956 RCA Educational Documentary
By WDTVLIVE42
https://youtu.be/qhqtByYjmPY
1956 RCA Educational Documentary
By WDTVLIVE42
https://youtu.be/qhqtByYjmPY
Analog spectrum analyzer by Albert Michelson circa. 1897
Documentary by Bill Hammack
Paper by Bill Hammack, Steve Kranz, and Bruce Carpenter
http://www.engineerguy.com/fourier/pdfs/albert-michelsons-harmonic-analyzer.pdf
“Scientists led by Thomas Higham of the University of Oxford in England reported last week (May 2012) that improved radiocarbon tests determined that animal bones found with the flutes were 42,000 to 43,000 years old. This is close to the time when the first anatomically modern humans were spreading into Central Europe, presumably along the Danube River valley”
By John Noble Wilford at The New York Times