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    HAND-HELD CALCULATOR
    February 1, 1972 - United States

    The first scientific hand-held calculator was introduced for $395 by Hewlett- Packard, named the HP-35 for having 35 keys. It was the first hand-held calculator able to perform logarithmic and trigonometric functions with one keystroke. The red LED display could give scientific notation up to 10 digits mantissa and 2 digits exponent. The price was reduced several times, eventually to $195. By Feb 1975 (when production of the model was discontinued), 300,000 had been sold. The numbers and functions for calculations were entered in “Reverse Polish Notation”(RPN), which used an “ENTER” key but needed no parentheses or “=” key. It ran on rechargeable batteries and had electronics with several integrated circuits in a 79 ×147×34 mm (3.1" x 5.8" x 1.4") case.

    OBAMA SHUTS DOWN THE MOON PROJECT
    February 1, 2010 - United States

    Barack Obama has canceled NASA's plans for taking men to the Moon. The Constellation program had been looking at new rockets and a crewship to put astronauts on the lunar surface by 2020. In the 2011 budget request that was issued on Monday, February 1st, Obama has said that the project is too costly, 'behind schedule, and lacking in innovation.'

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  • A Change is Gonna Come
    by Meredith Grey

    "...Change; we don't like it, we fear it, but we can't stop it from coming. We either adapt to change, or we get left behind. It hurts to grow, anybody who tells you it doesn't is lying. But here's the truth: Sometimes the more things change, the more they stay the same. And sometimes, oh, sometimes change is good. Sometimes change is everything...."
  • 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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  • Salary
    about Steve Jobs

    Steve Jobs' annual salary was $1, just enough to keep company health benefits. 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.

Platinum the demanding metal :

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Platinum wedding ring is the most preferable in these days because it is strong, its color looks beautiful and also because it gives you the feeling of being superior.

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Everyone including the men and women in this age is conscious about their get-up and style. Whether it is the matter of dress or ornaments the younger people are very much conscious about the style. Then it is obvious that while choosing the engagement ring or wedding ring, they will be more selective. What the maximum number of people wants is the sober and aristocratic look. It is seen that the people are now trying to cut the expenditure of the decoration and all that is regarded as not so necessary. But for the wedding ring nobody is agreed to cut the budget. Everyone knows that this is going to be a partner throughout their whole life.

From the old ages gold is regarded as the most aristocratic among all the metal, because it was the most costly since the past days. Now the conception has totally changed. Today platinum is regarded as the most precious and rare metal. It is also thought that it gives a certain aristocracy to the wearer. There are many reasons behind the popularity of platinum.

Platinum is a metal that does not cause any kind of skin irritation. To give platinum a certain shape it is generally alloyed with iridium or ruthenium. These two elements are very skin-friendly. If anyone has sensitive skin or any skin problem, will face no problem with it.

There is another important factor that leads platinum to be the largest selling metal. If you want to keep the glow of your wedding ring intact then don?t hesitate and choose the platinum ring. The sparkle and glow of platinum never fades even if you wear it throughout the whole lifetime. As the wedding ring is the symbol of your love and commitment to each other the love will remain new forever like the ring.

The color of platinum attracts everyone. It has a silver whitish color that is the most favorable to all of us. The curves and subtle designs engraved on any platinum ring looks marvelous. As platinum is a costly metal, so the finishing is always done with a great care. Otherwise it will not attract the customers. If you give a ring with such a finishing to your bride or groom, it will surely make her/him happy. It will call the attention of other people also.

You may have the misconception that platinum is a very soft metal. So there remains a fear to be cracked. If you are thinking of this then keep your worries aside. Platinum is alloyed with other metals to make it strong. It is more durable than any other metal.

The real beauty of platinum comes out when diamond is added to it. The color of diamond is white. Therefore it reflects the color of platinum that is also white. The silver glow of the ring will remind you the glow of your wedding day forever.

Platinum is generally used in rings but it can also look good if necklace or wristlet or armlet will be made of platinum.

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  • November 30, 2014Date Added :
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