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TODAY IN HISTORY

    DDT
    January 29, 1958 - America, U.S.A.

    The Boston Herald printed a letter from Olga Owens Huckins attacking DDT pesticide as dangerous. Huckins was a friend of Rachel Carson, and also sent a personal letter to her, which together prompted the writing of Carson's book Silent Spring, an early call for modern environmentalism. Carson collected research and data. She concluded that organic-pesticides built up in crops and sprayed crops, transferred to birds and other animals and was responsible for the poisoning of the surrounding fauna. Silent Spring asked important questions about balancing industrial and agricultural needs, progress, the protection of the environment and the quality of life. Carson's skilled writing awakened the conscience of America. It took until 1972 to get its use banned in the U.S.

    FIRST PATENT FOR GASOLINE ENGINE VEHICLE
    January 29, 1886 - Mannheim

    Karl Benz applied for a patent for his Benz Patent Motorwagen, a three-wheeler vehicle with a Benz-designed one-cylinder four-stroke gasoline engine. This patent, DRP-37435, “Fahrzeug mit Gasmotorenbetrieb,” (Vehicle with gas engine) is recognized as the world's first patent—regarded as the birth certificate—for a practical internal combustion engine powered automobile. Though the vehicle was awkward and frail, it incorporated some essential elements that would characterize the modern vehicle: electrical ignition, differential, mechanical valves, carburetor, engine cooling system, oil and grease cups for lubrication, and a braking system. The first public test-drive took place on 3 Jul 1886 in and around Mannheim. The patent was issued 2 Nov 1886, effective from the date of the application.

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Playing Computer Games :

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ARTICLE INFORMATION :

Learn more about online computer games. The article describes the advantages of playing flash games, such as good relaxation, brain training and memory development.

ARTICLE CONTENT :

Can you imagine your life with no personal computer. Most people will definitely answer no to this question. We work on PC when we are at the office. As soon as we come home the first thing we do is turning on our computer. We only turn it off for nights, but in the recent time with the development of technical progress there appeared a chance to download significant volumes of information, for example videos or music, from the Internet.

Downloading takes some time, so people prefer to keep their PC turned on during night and to download. Useful software, the World Wide Web, computer flash games ? we're so used to their presence in our living that it is scarcely conceivable that they can unexpectedly disappear.
Attitude of people to computer games is different. For some of them playing computer flash games is the most favorite hobby and the best way to relax after a hard working day. Some people find them amusing and sometimes spare some time to this kind of activity.

But there is also a category of people that consider computer games to be a total waste of time. They suppose that playing computer flash games destroys people's brain. Actually, flash computer games are really a great source of relaxation. What's more, it was confirmed by scientists that playing flash games affects positively the activity of our brain. Just imagine the situation when you're concentrated on playing a computer flash game. You're attentive to details and always try to think ahead.

That implies that playing flash games develop your thinking abilities and quick reaction ability. But still, computer games should not become the only thing you take interest in. Firstly, spending too much time in front of the monitor has a negative influence on your eyesight. Moreover, take into account that the game is a virtual reality and you should not change your real life with playing flash games. Use playing computer flash games as a way to relax and to exercise your brain and you'll get only positive effect.

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