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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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The Revolution
by John Adams
"...The Revolution was effected before the War commenced. The Revolution was in the minds and hearts of the people; a change in their religious sentiments of their duties and obligations. This radical change in the principles, opinions, sentiments, and affections of the people, was the real American Revolution...."
by Immanuel Kant
"...Rules for Happiness: Something to do, Someone to love, Something to hope for...."
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 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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Jessica Hu
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Registered :
February 17, 2016
Last Logged In :
February 17, 2016
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Flushing Office provides test preparation in Flushing, NY for gifted school admissions exams, private school admissions exams, college admissions exams, national standardized tests, scholarship exams.
http://clarityed.com/offices/flushing-ny
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Find the lowest prices on Las Vegas horseback tours at Vegas Horseback Tours. Choose from a wide variety of Las Vegas Horseback Tours including breakfast, lunch, dinner and overnight rides. Book yo...
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Offers vintage look chains, clasps and earring findings, jewelry stampings, tools and glue.
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We are a Bury UK based retailer of a wide range of baby and children's products. We specialise in offering prams & pushchairs.
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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...
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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.
Friendship poems happen to be just the best medium of expressing eternal friendship to that special friend. You can let all the love and affection you possess flow out, right onto the paper lying in front of you, through a sweet little friendship.
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.
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...
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