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TODAY IN HISTORY
FIRST AUDION TUBE
November 25, 1906 - New York City, USA
November 25, 1906 - New York City, USA
The first triode was ordered by Lee de Forest who instructed the New York automobile lamp maker, H. W. Candless, to make a glass bulb containing a "grid" wire between a filament and an electrode plate. These specifications extended the Fleming two-element diode valve design previously published in the Proceedings of the Royal Society. The third element - the grid wire - regulated the flow of electrons between the filament and the anode plate, producing an amplification of the variations in a signal voltage applied to the grid. De Forest named his invention the "Audion." Within a few years (1913-1917) he was able to profit from his patents that he sold to AT&T for a total of $390,000.
WIKILEAKS PUBLISHES 9/11 PAGER MESSAGES
November 25, 2009 - World
November 25, 2009 - World
The unfolding story of the 9/11 attacks on the World Trade Centre and the Pentagon is being given to the public with more than 500,000 intercepted pager messages (many from US officials) published online in the order in which they were sent. The messages will begin at 8am GMT, and continue for 24 hours until all of the messages are distrubuted. Wikileaks will be including pager messages that were sent on the day by officials in the Pentagon, the New York police and witnesses to the collapse of the twin towers.
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RANDOM QUOTES
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No Man is Above the Law
by Theodore Roosevelt
"..."No man is above the law and no man is below it; nor do we ask any man's permission when we require him to obey it. Obedience to the law is demanded as a right; not asked as a favor."..."
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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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?)
about Besides Lung Cancer
Besides lung cancer, tobacco use also increases the risk for cancers of the mouth, lips, nasal cavity (nose) and sinuses, larynx (voice box), pharynx (throat), esophagus (swallowing tube), stomach, pancreas, kidney, bladder, uterus, cervix, colon/rectum, ovary (mucinous), and acute myeloid leukemia.
Dentist - Dental :
Category Information : Dentist - Dental
FEATURED LINK LISTINGS :
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.
http://www.homeofmolar.com
Braces Dublin helps to get brighter and healthy smile by professional and highly qualified dental team where dental patients get accurate dental results in matter of weeks where braces Dublin helps...
http://www.portobellodental.com
CT Dent offers dental cone beam CT scans using state-of-the art technology at the affordable prices in Britain. We help practitioners to get the maximum diagnostic yield out of your patients' 3D co...
http://ct-dent.co.uk
Dentist Finchley having five fully equipped state of art surgeries for dental treatments and dentist Palmers Green ensures to patients about use of highest standards and latest dental equipments.
http://www.southgatedental.co.uk
Dental implant 411 offers educational information on dental implants. Whether replacing a single tooth or all teeth, dental implants can greatly improve your quality of life. Learn about placement ...
http://dentalimplant411.com
Olympia Dental Group is serving the Olympia, Lacey and Tumwater areas with quality family, cosmetic and sedation dentistry. We are dedicated to providing the finest quality dental care to patients.
http://www.olympiadentalgroup.com
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Featured Link Listings (random) :
A random section of our Featured link listings :
A group of people with the same desire to help rescue and save small breed dogs from high-kill shelters throughout the united states and find them loving forever homes. We are always looking for vo...
http://secondchancechi.org
A paid general website directory with everything from arts and literature to news, articles, and links about travel listed.
http://www.avivadirectory.com
As recruitment specialists, Bis Henderson work with businesses to successfully hire supply chain, logistics and procurement professionals on a permanent and interim basis across professional, manag...
http://www.bis-hendersonrecruitment.com/
Komfortable Nichtraucher Ferienwohnung im Herzen vom schoenen Fischerdorf Greetsiel.
http://www.greetsiel-feriendomizil.de
Video Listings :
A selction of listings chosen randomly that contain embedded videos.
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A random section of our Featured Article listings :
Just a line to say I'm living, That I'm not among the dead
Though I'm getting more forgetful And more mixed up in the head.
In this highly competitive market, people are looking out for effective ways to improve their businesses.
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.
Title for tab4 content :
What to you want here?