UFO sculpture by Nemo Gould made of floor polisher, fake eyes and motor boat propellor
This phenomenal UFO sculpture by the fantastically named Nemo Gould makes an ungodly racket, but even more intriguing is its unorthodox list of building materials: "floor polisher, motor boat propellors, meat grinders, electric jack hammer, record player, massage machine, cordless drill motors, glass taxidermy eyes, fence caps, LED’s, voltage meter."

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Looks like Frank Zappa's Central Scrutinizer: "...He looks like a cheap sort of flying saucer about five feet across with a snout-like megaphone apparatus in the front with two big eyes mounted like Appletons with miniature motorized frowning chrome eyebrows over them..."
http://www.science.uva.nl/~robbert/zappa/albums/Joe_s_Garage/01.html
It looks like the Central Scrutinizer, from Joe's Garage by Frank Zappa (who incidentally died 15 years ago today).