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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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All of us have a God in us
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...."
by Earth Day, Gaylord Nelson
"...The wealth of the nation is its air, water, soil, forests, minerals, rivers, lakes, oceans, scenic beauty, wildlife habitats and biodiversity that'as all there is. That'as the whole economy. That'as where all the economic activity and jobs come from. These biological systems are the sustaining wealth of the world...."
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 Facts about Drugs
Facts about drugs can protect against drug abuse. Legal drugs, such as alcohol and tobacco, kill more people than illegal drugs. Tobacco (smoking cigarettes) kills more people than any other drug. Illegal drugs including heroin, cannabis, ecstasy and amphetamines can have unknown or dangerous ingredients. Mixing drugs, especially with alcohol, can be fatal.
Hair Care - Wigs :
Category Information : Hair Care - Wigs
Is a true Beauty Super Store founded in 1984 with one goal in mind, give the customers what they want. Provide quality service and products at a reasonable price and never forget that every custome...
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For availing the Modern Salon Services in South Florida, USA, choose only the best and that is APPLEWOODS. It is an AVEDA Lifestyle Spas & Salons, founded in the year 2001 at the Weston Town Center...
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Laseraway specializes in laser tattoo removal, laser hair removal, Botox, and cosmetic skin procedures.
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Toronto Ultrashape clinic specializing in the removal of fat with focused ultrasound energy.
http://www.tcclinic.com
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ARTICLE LISTINGS :
Having the hair in the best and healthy condition should be the foremost concern. Only then it is possible that you can add a lot of styling to your hair.
You will come across a lot of people who cut hair but not all of them can give you good hairstyles.
Straight hair is trendy and stylish and that is why hair straighteners are so popular with the people all over the world, which helps the user to achieve the same.
Hair sticks are in the fashion due to its advantages as pure adornment and decoration that can instantly jazz up your plain hairstyles.
Straight and smooth hairstyles are progressively becoming more and more popular, perhaps because it is finally achievable with quality hair straightener.
Have you ever read the label on your shampoo bottle? You'll be shocked to learn that the ingredients found in many shampoos may pose a threat to your health.
Everybody hates dandruff. No body likes the falling white flakes and the itching scalp. we all try many shampoos and treatments, both natural and chemical to get rid of dandruff. I want to ask many of you who suffer dandruff- how are you sure that you are having dandruff?
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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
A directory of directories running the phpLD script. Site that we have worked on, or contain our mods or code can be upgraded for free.
http://www.phpldlist.com
My Guardians provide UK Guardianship Services & advice to parents & children worldwide on how to obtain guardianship & schooling in the UK.
http://myguardians.co.uk
Carvers for Conservation was started to introduce the people conserving the habitat of migratory birds to the premier bird sculptors in the world. My intention was to be mutually beneficial to the ...
http://www.greatcarvers.com
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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
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.
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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