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    Creating an atmosphere that is at once casual and comfortable. For those that prefer the same simplified experience in matchmaking we offer our 'Date Nights' free of contracts or commitments. Its a lot of fun here, and its easy to drive when the car is right, said Montieth, Its a lot of fun here. The impact sent Kauffmans car some 60 feet sideways. Sixth through 10th went to Andy Haus, Nick Dickson, Derrick Casner, Jason Schmidt and Kenny Moreland. A 44-car field of 305 sprints competed for laurels with polesitter Nick Sweigart leading the first six laps before fourth starter Jeff Miller moved into contention. I think a lot of it is seat time, added Montieth, Ive been racing here a lot longer than most of those guys that started up there. Sixth through 10th went to Walker, Carl Bowser, Brock Zearfoss, Lehman and TJ Stutts.

    Howstuff works carbon 14 dating

    All forms of life need it, and if they don't get enough of it, they die. In some places, it's treasured and incredibly difficult to get.

    In others, it's incredibly easy to get and then squandered.

    Plants produce carbon-14 through photosynthesis, while animals and people ingest carbon-14 by eating plants. Scientists determine the ages of once-living things by measuring the amount of carbon-14 in the material.

    If you're seeing this message, it means we're having trouble loading external resources on our website.

    Many of the products that you use every day contain it or were manufactured using it.

    Other Greek philosophers -- most notably Euclid and Ptolemy -- used ray diagrams quite successfully to show how light bounces off a smooth surface or bends as it passes from one transparent medium to another.

    Arab scholars took these ideas and honed them even further, developing what is now known as geometrical optics -- applying geometrical methods to the optics of lenses, mirrors and prisms. Ibn al-Haytham identified the optical components of the human eye and correctly described vision as a process involving light rays bouncing from an object to a person's eye.

    These different versions of elements are called isotopes, and small quantities of radioactive isotopes often occur in nature.

    For instance, a small amount of carbon exists in the atmosphere as radioactive carbon-14, and the amount of carbon-14 found in fossils allows paleontologists to determine their age.

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