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TODAY IN HISTORY

    BICYCLE
    November 20, 1866 - U.S.A.

    The first U.S. patent on a rotary crank bicycle was issued to Pierre Lallemont of Paris, France (No. 59,915). With pedals applied directly to the front wheel, this so called velocipede ("fast foot") was a major advance on the old hobby horse bicycle that had to be pushed with the feet. It soon came to be known as "the bone shaker" because being made of stiff materials, straight angles and steel wheels, it gave a stiff ride over the cobblestone roads of the day. Soon indoor riding academies, similar to roller rinks, could be found in large cities. He rode on it from Ansonia, Conn. to the green at New Haven, Conn.

    SOLAR-POWERED FLIGHT
    November 20, 1980 - English Channel

    Steve Ptacek in Solar Challenger piloted its first solar-powered flight. The aircraft was designed and built by AeroVironment, Inc. (founded in 1971 by ultra-light airplane innovator, Dr. Paul MacCready). An earlier, 71-ft wingspan, solar-powered design, the Gossamer Penguin, after test flights, flew about 1.95 miles at a public demonstration on 7 Aug 1980. Solar Challenger built upon this experience to be a piloted, solar-powered aircraft strong enough to handle both long and high flights when encountering normal turbulence. With only a 46.5-ft wingspan, it had a huge horizontal stabilizer and had enough wing area for 16,128 solar cells. After design modifications, Ptacek flew across the English Channel flight on 7 July 1981.

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RANDOM QUOTES

  • 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...."
  • 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...."

RANDOM FACTS

  • Drug Abuse
    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. 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.

Artificial Grass and Synthetic Turf Revi :

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ARTICLE INFORMATION :

For a long time, the use of artificial grass and synthetic turf has been limited to sports stadiums. However, its reach is now extending to home compounds as well. It definitely has its merits as well as demerits.

ARTICLE CONTENT :

By analyzing these ones in relation to those of natural grass can help one make a sound decision about its use.

1. Artificial grass makes it possible to realize a great deal of savings in several ways.

• First, the amount of money invested in laying it out as compared with its durability is reasonable. While making a natural turf is rather inexpensive, its maintenance costs in the end make it more costly than this one.

• Second, the energy efficiency that comes with it cuts back costs significantly. This is notable when one considers the amount of fuel used annually by a simple lawn mower. Time that would be used in carrying out maintenance practices is also saved, making it convenient for the sick or elderly to manage their backyard easily.

• The modern day urban neighborhood has to cut down on water spending and this proves damaging to natural landscapes. Since artificial grass and synthetic turf does not need watering, makes it useful in these areas.

• Replacement costs in high wear and tear regions are avoided with this type of grass. These are areas where children play, dog runs and even around the swimming pool where splashing water can damage a natural lawn. Sporting arenas also enjoy its benefits.

2. Artificial grass and synthetic turf is also an environmentally friendly option.

• First, it needs no pesticides and thus prevents the negative effects of runoff from chemical treated yards.

• The fact that it needs no mowing means a significant reduction of carbon emission into the atmosphere.

• Clippings from cut grass have also been associated with environmental pollution in several ways. Hydrocarbons are released into the atmosphere; the clippings clog drainage pipes and finally end up in rivers and pollute them.

Another benefit associated with this type of grass is the fact that it gives your yard eye appeal all year round. Seasonal changes do not affect this grass and as such, it will never fade to a dull brown.

Nevertheless, artificial grass and synthetic turf has a number of significant disadvantages. First, the production of the grass involves a lot of carbon release into the atmosphere. This cuts down greatly on its environmental friendliness. The process also involves high energy consumption.

Furthermore, even though the grass is highly durable, after a while it needs replacing. The old grass goes to polluting the environment if not well disposed of.

Natural grass though, rids the environment of harmful Carbon Dioxide by absorbing it. It also breaks down pathogens and is thus a suitable option for playground since it has a lower chance of getting them sick. Wastes decompose with time and pose no risk to the environment.

Weighing these factors and assessing the particular needs of an area can help one in choosing correctly between natural grass and artificial grass and synthetic turf.

Artificial grass or synthetic turf is great for home garden. By installing fake grass, home owner can also save money on water bills.

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