SOURCES OF ALL ENERGY
September 1, 1881 - York, Sir, England
In a Presidential Address to the British Association, at York, Sir William Thomson (Lord Kelvin) spoke On the Sources of Energy in Nature Available to Man for the Production of Mechanical Effect. He summarized the natural sources of energy as Tides, Food, Fuel, Wind, and Rain. All except the tides derive energy from the sun. “Heat radiated from the sun ... is the principal source of mechanical effect available to man.†He referred to tide mills, and the possibility of storing energy in batteries between tides, but nevertheless considered the economics impractical for wide application. Windpower he considered “decadent,†but acknowledged coal would become an exhausted resource, thus windmills should generate electrical power. Kelvin also outlined the economics of hydroelectricity.
PASSENGER PIGEON
September 1, 1914 - American, U.S.A.
The Passenger Pigeon (Ectopistes migratorius) became extinct as the last surviving bird of the colorful native American species of dove died at the Cincinnati Zoo. The passenger pigeon was hunted to extinction; the fact that it traveled and nested in large flocks made it easy to slaughter. The adult male passenger pigeon had grey upper parts, the tips of the wings and the tail were black; its throat was a dark rust, while its breast was a lighter rust; its eyes were red. The adult female was of a duller color, with brownish upper parts and a lighter, brownish throat and breast; its eyes were black.
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RANDOM QUOTES
Rules for Happiness
by Immanuel Kant
"...Rules for Happiness: Something to do, Someone to love, Something to hope for...."
All of us have a God in us
by Earth Day, Kenya
"...All of us have a God in us, and that God is the spirit that unites all life, everything that is on this planet. It must be this voice that is telling me to do something, and I am sure it'as the same voice that is speaking to everybody on this planet at least everybody who seems to be concerned about the fate of the world, the fate of this planet. Wangari Maathai-Noble Peace prize winner, Deputy Minister of Environment, founder Green Belt movement in Kenya...."
RANDOM FACTS
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.
More vehicles
about Stolen On New Year's
More vehicles are stolen on New Year's Day than any other holiday throughout the year. (So does that mean thieves are having their last fling before changing their ways or are they trying for a big score to start the New Year?)
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Category Information : Icelandic
This is our Icelandic category. If you are interested in Icelandic, feel free to browse these listings. If you have a site that fits within this category, Submit it for inclusion.
Drs. Richards and Miller care for a pediatric dental practice dedicated to providing dental care, education and community service to Lake County and surrounding areas.
Animal and Pet related classified ads listing pet and animal related products and information only. Our Classified Ads are indexed by state and city and are searchable by zip code. Search for pet r...
The course of the River Thames as we know it today was created about 10,000 years ago, by melt water from the ice-sheets that covered much of the United Kingdom during the last ice-age...
Search engine is the term with which we are accustomed with very much. But the web directory is not that same. The web directories are older than search engines according to the time of their invention.