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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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Rules for Happiness
by Immanuel Kant
"...Rules for Happiness: Something to do, Someone to love, Something to hope for...."
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
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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.
Toys :
Category Information : Toys
Your local Bouncy Castle Hire! Surrey Bouncy Castle hire, When you Hire Bouncy Castles from us, we will deliver free in most of the Surrey area, Bouncy Castles, Woking, Surrey, Surrey Bouncy Castle...
http://www.surreybouncycastlehire.co.uk
Seibertron is an unofficial Transformers fansite. It is not associated with nor endorsed by Hasbro or Takara Tomy. Transformers and is a registered trademark of Hasbro, Inc. Visit Transformers to v...
http://www.seibertron.com
This online shop sells hot water bottles, soft hot water bottles and warm water bottles from high quality brands like Gund and NICI. You can also buy soft toys, a toys for newborns.
http://www.jollysofttoys.co.uk
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ARTICLE LISTINGS :
When it comes to toy collectors, Lionel Trains rank at the top of the "must have" list for many collectors. These trains are frequently sought after by collectors and the value of each individual car can vary greatly. Typically, older pieces are the most sought after due to the rarity, age and nostalgia associated with train sets.
If you have ever gone to a busy toy shop during the holidays looking for the season's hot toy, then you understand what a difficult and often frustrating place a brick and mortar toy shop can be. People, long lines, screaming children, it's no wonder that toy shops online have exploded in popularity.
Toy manufacturers understand that their products are more popular than ever despite the numerous video games and digital toys that have been dominant within the market for years. Video games and mobile device applications have revolutionized how kids play and have fun in the modern era.
Featured Link Listings (random) :
A random section of our 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
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...
http://www.pawscritters.com
Champagne hot air Balloon flights over Berkshire, Hampshire, Hertfordshire, Oxford, Surrey and London. The perfect surprise gift for that special occasion - Birthday Presents, Valentine Surprises, ...
http://www.adventureballoons.co.uk
Search Office Space was founded in 1993 by Richard Smith in order to bring together all elements of the serviced office space market into one convenient single point of contact, with clients having...
http://www.searchofficespace.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 :
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.
Unfortunately just like humans our pets will age too. With the aging process comes health problems and with health problems comes very expensive vet bills. Research you dog
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.
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