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    URANIUM FISSION
    January 22, 1939 - Columbia University in New York City, U.S.A.

    The uranium atom was split for the first time using the cyclotron at Columbia University in New York City. Thus began the Manhattan Project, leading to the construction of the atom bomb. The project was subsequently moved inland to the University of Chicago to protect the research from any possible German bombing of New York. (Also the weight of the apparatus was so great that the floor was in danger of collapsing!) The cyclotron that performed the first-ever fission experiment was designed and built (1935-36) by John R. Dunning, who became Dean of the Engineering School, 1950-69). In 1965, the cyclotron was taken to the Smithsonian Institute. The original invention of the first cyclotron was by physicist Ernest Lawrence.

    SPACE DEBRIS HITS PERSON ON EARTH
    January 22, 1997 - Tulsa, Oklahoma, U.S.A.

    American Lottie Williams was reportedly the first human to be struck by a remnant of a space vehicle after re-entering the earth's atmosphere. At 3 a.m., while walking in a park in Tulsa, Oklahoma, she saw a light pass over her head. “It looked like a meteor,” she said. Minutes later, she was hit on the shoulder by a six-inch piece of blackened metallic material. The debris that struck Ms. Williams has not been examined to confirm its origin, but a used Delta II rocket, launched nine months earlier, had crashed into the Earth's atmosphere half an hour earlier. NASA scientists believe that Williams was hit by a part of it, making her the only person in the world known to have been hit by man-made space debris.

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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...."
  • 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...."

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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. Harvard Medical School
    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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The article is about website navigation tools. It contains a great number of recommendation on the website navigation to ensure high traffic of your site.

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Internet site navigation is an essential matter for any internet site holder. Web design professionals affirm that if people can't navigate through your website they will quickly leave. So what are the parameters of a good navigation tool? These are clearness and effectiveness. If you drive a car you should understand the high significance of GPS guide when you are making a trip to the area you aren't familiar with. Navigation map on the site has the same significance for people visiting it and helps them in finding what they need without particular efforts.

Here you'll find several recommendations on Internet site navigation tools. Don't forget about them during web design process to guarantee high traffic to your internet site. The fundamental influence on the internet site navigation has its structure. Include such web pages as products or services that you offer, info about the company, faq, or frequently asked questions, contacts. It is a good idea to provide the history of your firm and investor or retailer information as well. As soon as you decided on the elements that should be present on your site it's time to think of their organization. How to do it better, Fancy that your internet site is a book, and you have a number of different pages.

Now you have to combine similar pages into "chapters" and dispose them in a logical order. Do not forget to create links to different web pages of your Internet site directly from the home page, just like you have a chance to pass on to any chapter in the book using its contents. Sometimes it helps to put yourself in you customers' shoes. Will it be simple for them to navigate through your site? What are the most relevant webpages of your internet site and are they easy to be directed to?

Once you decided on the site navigation it's high time to begin web development itself. You have different effects such as Java, JavaScript or Flash at your disposal. Make your links as accessible as possible. Ascertain that all the terms and icons at your site are understandable to people not involved in your business. What is more, it's a wonderful thought to include a search box at the top of every page of your website. In case people cannot find what they need at your site most of them will prefer to use this box than to leave your website.

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