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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 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...."
RANDOM FACTS
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Cancer Facts & Figures
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.
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.
Pet Animals :
Category Information : Pet Animals
SUB-CATEGORIES :
(0)Birds
(2)Cats
(6)Dogs
(0)Ferret
(0)Fish
(3)Horses
(4)Pet Medical
(0)Pet Recipes
(0)Pet Sitting
(0)Rabbits
(0)Rats
(0)Reptiles
(4)Supplies
FEATURED LINK LISTINGS :
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
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
Welcome to the article section of MySmelly: Here you will find articles about cats, dogs, hamsters, rabbits, and other pets of any kind. The goal is to provide you with as much information about al...
https://mysmelly.com/content/index.htm
Useful information for animal lovers and pet owners, such as, dog names, animal hospitals, ambulance, vets and animal welfare. Beautiful pictures of dogs, birds, butterflies and wild animals. Inter...
http://www.weforanimals.com
Family owned and operated and has been open for 7 years now. We take pride in our work and make sure our animals are well cared for and beautiful when they leave our shop. We all consider our clien...
http://aunterniespetparlor.com
Okapi Sciences signs an exclusive license deal for the joint development and commercialization of one of its 4 antiviral drugs for cats. In close collaboration with Novartis Animal Health, Okapi Sc...
http://www.okapi-sciences.com/
Is build specially for those who are looking for special ways to memorialize their beloved pets. Here you can choose from a variety of products such as cremation urns, pet urns, cremation jewelry, ...
http://www.peturns.com
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ARTICLE LISTINGS :
Many people most of the time travel. It's not a great think but when you are traveling with your pet that time you need to concentrate more on your pet which may disturb you to enjoy your vacation.
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The professional and efficient chauffeurs of limo hire in London can help you reach your destinations comfortably on time.
http://www.limohire-sportcarhire.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
Offers vintage look chains, clasps and earring findings, jewelry stampings, tools and glue.
http://www.bsueboutiques.com
Associated transformers is a leading Transformer Manufacturing Company in Tamilnadu, India. Lead the industry in manufacturing of various types of transformers like Distribution, Furnace/ Rectifier...
http://www.associatedtransformers.com
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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.
No matter what else you are doing from cradle days through
to the end, You're writing your Life's secret story, Each night sees another page penned.
Whether you're an experienced affiliate marketer or a novice simply looking to make some extra cash from your web traffic, The Vapor industry has grown to over 3.5 Billion in revenue in 2015, and continues to grow exponentially annually. It's not a one-time purchase industry, either- customers keep coming back. You don't want to miss out on this opportunity to join the gold rush of our generation. Our program is not only easy and free to join; we will give you $25 to sign up as a bonus.
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