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TODAY IN HISTORY
VACUUM TUBE
October 20, 1906 - American Institute, U.S.A.
October 20, 1906 - American Institute, U.S.A.
Dr. Lee DeForest (26 Aug 1873 - 30 Jun 1961), one of the “fathers of radio,'' announced his three-element electrical vacuum tube (now known as a triode) to a meeting of the American Institute of Electrical Engineers He had discovered that when a mesh, or grid, of wire was placed between the filament and collector “plate†in a diode tube (first made by J. Ambrose Fleming, 1904), a large voltage-amplifying effect could be produced. DeForest patented this vacuum tube on 15 Jan 1907. The ability of this tube to amplifiy weak signals was an invention as great as radio itself, because it made long-distance communication possible.
DIFFERENTIAL ANALYSER
October 20, 1927 - U.S.A.
October 20, 1927 - U.S.A.
A new electrical machine with a mechanical mind has been perfected at Massachusetts Institute of Technology / MIT by Professor Vannevar Bush which can solve problems to complex for human engineers. The Product a differential analyser allows the mathematician or engineer to feed in the equation and parts of the problem which cannot be solved by formal mathematics. The machine can take from 8 minutes to several hours to provide the answer which man alone can not solve today.
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RANDOM QUOTES
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Until a man duplicates a blade of grass
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...."
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."..."
RANDOM FACTS
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Salary
about Steve Jobs
Steve Jobs' annual salary was $1, just enough to keep company health benefits.
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.
Credit Cards - Gift Cards :
Category Information : Credit Cards - Gift Cards
FEATURED LINK LISTINGS :
Open a Citizens Bank account and discover convenient online banking features and the personal finance options that you deserve. Choose a checking account or high interest savings account that fits ...
http://www.citizensbank.com
Affordable and reliable Credit Card and Merchant Account services from Veritrans.
http://www.veritransllc.com
Electrnic payment and credit card impatial website for the italian market.
http://www.carte-di-credito-online.com
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ARTICLE LISTINGS :
We all know that criminals are out there, waiting to steal our credit card information. These very criminals want credit card information so they can run up the charges, then leave you holding the bags “ with nothing to show for it. Even though some are local, most credit card criminals are in far away lands. Worse than that, they like to hide or go by other names so it's virtually impossible to track them down.
This day and age, credit card fraud is very common. Victims of credit card fraud often experience a lot of hassle and stress. If you have a credit card, you should always be aware of the security features that is included with the card. If you are looking to get a credit card, you should always make sure that it offers plenty of security.
It is a major financial decision in life to make one thorough about the implications, when credit card applications are made.If one knows to make the best use of it, it is possible to harvest the benefits or else land in troubles.
Featured Link Listings (random) :
A random section of our Featured link listings :
A leader of Urban Connection provide Mens Tall Tees Shirts, Tall T-Shirts, Hip Hop Tshirts, Urban Tees, Tall Tshirts, Long T-Shirts, Long tees, Polo Shirt in USA from Brandedbasics.
http://www.brandedbasics.com
Each quarter, twenty general or topical web directories are evaluated and rated according to predetermined criteria. The top ten are placed in competition with one another and ten additional direct...
http://www.webdirectoryreviews.org
Horseback riding in Las Vegas. Choose from rides that include breakfast, lunch, or a sunset steak dinner. Overnight Las Vegas horseback tours also available.
http://www.vegashorsebackriding.com
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
Video Listings :
A selction of listings chosen randomly that contain embedded videos.
Featured Article Listings (random) :
A random section of our Featured Article listings :
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.
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.
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.
Title for tab4 content :
What to you want here?