Piston sound tech aims to control jet noise at source
California Institute of Technology engineer Brad ford Sturtevant works under NASA grant to reduce aircraft noise by using a rebuilt motorcycle piston and a three inch pipe to generate shock waves at up to 6,000 per minute. The device seeks to disrupt sound at its source rather than muffle it, with ear protection required during experiments.
MENTIONED IN THIS ARTICLE
Pasadena
Calif
California Institute of Technlogy
Bradford Sturtevant
National Aeronautics and Space Administration
Sturtevant
Sturte
Theas
Prcy
Wineset
Oil spill recovery brings Bay life back to balance
Marine biologist Dr Gordon L Chan of the College of Marin says San Francisco Bay is returning to normal after last year s Standard Oil oil spill. An estimated 522000 gallons were recovered and millions of creatures died including six million in Marin County. Bird injury toll exceeds 7000 with many mollusks crustaceans and barnacles killed. Reef life shows partial rebound though some shore species remain scarce.
MENTIONED IN THIS ARTICLE
San Francisco
UPT
San Francisco Bay
Gordon L. Chan
College of Marin
Standard Oil Co
Golden Gate Bridge
Sausalito
Angel Island
Marin County
San Mateo County
Chan
Gossip and showbiz notes mix with world events in chaotic column
A wide ranging column cites Red China demographics and contraceptive trials in Beijing, followed by updated gossip on Michael Wilding and his career changes, then shifts to Roman Polanski and his response to violence in cinema. The piece also notes advertising losses and typographical error costs for the Times, highlighting financial stakes for the newspaper.
Carroll Righter Tomorrow's Horoscope Friday January 21
Aries in the week ahead faces a higher-up blocking a new project yet promises full support later. Focus on patience and strategic planning as guidance lines up with future backing.
MENTIONED IN THIS ARTICLE
ARIES
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Alfred Sheinwold
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Ile
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Leventritt
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Leventrit
London
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State Department of Fish and Game
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Ous
China
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Wilding
My Wilding
Margaret Leighton
Roman Polanskas
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York, Pa
New York Times
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Rego Park
Rtail
the Times
Carroll Righter
Prady
Taurus
Gemini
Mate
Moon Children
Leo
Virgo
Nary
Mitty
LIBRA
Scorpio
Sagittarius
ZZODY
Rolor
Hamilton Afb
Upi
Hamilton Air Force Base
Army
Aerospace Defense Command
Florida
Ronald Thomas
Ato
Nt B & Aie
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San Leandro Bayfair
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