What is Fluorescence in Light and Lamps
A plain explanation of fluorescence describes glow from materials when exposed to ultra violet rays. It covers how absorbed energy excites atoms and returns to ground state, emitting light, and how fluorescent lamps use phosphor coatings excited by mercury vapor to produce visible light.
MENTIONED IN THIS ARTICLE
Daniel Juliana
New Cumberland
Ugandan Jail Horror Recalls Calcutta Black Hole Tale
British and American newsmen held by Ugandan troops and secret service were confined in a crowded central police jail. Reporters described filth, stench, and fear as 70 captives shared a 40 by 20 foot cell with women, children, and a mix of detainees while interrogators threatened and torturers battered an African.
MENTIONED IN THIS ARTICLE
London
Secret Service
Calcutta
Kampala
Associated Press
Andrew Torchia
Manchester
Daily Mail
Leslie Watkins
Grand Hotel
Simon
Watkins
Central Police Station
King Georgey Hotel
Don Wise
The
Daily Mirror
Deputy sheriff removes flags. mixed local reaction
In Sandy Oregon Reserve Deputy Brad Kelly took down two U S flags outside a restaurant overnight citing disrespect for night rain without illumination. The owner Don Eklund and Lt Louis Olson asked for an apology and reinstallation. Kelly may lose his job but stands by the action amid about 25 calls praising him and 25 condemning the owner. The U S attorney says no laws were broken and Eklund plans to raise the flags again today.
MENTIONED IN THIS ARTICLE
Sandy, Ore
Sandy
Clackamas County
Kelly
Sheriff's Office
Eklund
U.S
Portland
Tanaka Plans China Visit to Discuss Normalization
Japan's prime minister Kakuei Tanaka will visit Peking from September 25 to 30 to discuss normalizing relations with mainland China. The travel dates were announced jointly by the Chinese and Japanese governments.
MENTIONED IN THIS ARTICLE
Tokyo
Japan
Kakuei Tanaka
Peking
China
Tanaka
Insect Species Count Reaches Nine Hundred Thousand
A scientific note states there are about 900000 species of insects. The figure highlights Earth's immense biodiversity and ongoing taxonomy efforts.
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Robert Bean
Hanceville High School
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