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TODAY IN HISTORY
CHINESE NUCLEAR SUBMARINE
August 1, 1974 - China
August 1, 1974 - China
The People's Liberation Army Navy put into service ChangZheng 1, their first nuclear-powered submarine, designed and built in China. Russia had refused to share nuclear propulsion technology with China, so Mao Tse-tung resolved to develop their own nuclear submarine building program. Construction had started by 1968 at Huludao Shipyard, in Liaoning Province. The pressurized-water 90 megawatt reactor provided power for turbo-electric propulsion. The type 091 submarine was launched in 1970, its nuclear reactor was activated in Jul 1971 and it began sea trials the next month. NATO codenamed it a Han class submarine. As China's first-generation design, its performance was generally inferior to American or Russian vessels of the time. It was decommissioned in 2000.
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RANDOM QUOTES
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Happiness
by Thomas Jefferson
"...Our greatest happiness does not depend on the condition of life in which chance has placed us, but is always the result of a good conscience, good health, occupation, and freedom in all just pursuits...."
by Earth Day, Thomas Alva Edison Inventor
"...Until a man duplicates a blade of grass, Nature can laugh at his so-called scientific knowledge. Remedies from chemicals will never stand in favorable comparison with the products of Nature, the living cell of a plant, the final result of the rays of the sun, the mother of all life...."
RANDOM FACTS
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Drug Abuse
about Facts about Drugs
Facts about drugs can protect against drug abuse. Legal drugs, such as alcohol and tobacco, kill more people than illegal drugs. Tobacco (smoking cigarettes) kills more people than any other drug. Illegal drugs including heroin, cannabis, ecstasy and amphetamines can have unknown or dangerous ingredients. Mixing drugs, especially with alcohol, can be fatal.
about Eyesight Myth and Fact
Myth: Staring at a computer screen all day is harmful to the eyes. Fact: Spending the day staring at a screen can tire or strain your eyes, but it will not hurt them. Make sure lighting doesn't create a glare on your screen. When spending long periods at your keyboard, take a break now and then to rest your eyes to reduce fatigue. Also, don't forget to blink. Your eyes need to stay lubricated to feel comfortable.
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