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Posted by / 10-Dec-2015 21:45

Chemistry behind carbon dating

Have you ever wondered how smoke machines work or wanted to make your own smoke or fog? There are separate sections for each type of non-toxic smoke generator, together with important safety tips. Here's a look at the metal composition of Olympic medals and how the medals have changed over time.Urine is a liquid produced by the kidneys to remove waste products from the bloodstream. Here's a look at what makes the ocean salty and why other bodies of water have a different chemical composition.Human urine is yellowish in color and variable in chemical composition, but here is a list of its principal components. If you've ever experienced a sudden stabbing pain in your forehead when eating ice cream or enjoying a cool drink then you know what brain freeze is.Do you know what causes brain freeze or how you can stop the pain?But that assumes that the amount of carbon-14 in the atmosphere was constant — any variation would speed up or slow down the clock.

By measuring the ratio of the radio isotope to non-radioactive carbon, the amount of carbon-14 decay can be worked out, thereby giving an age for the specimen in question.Over 75% of women and a growing percentage of men color their hair. Learn about natural haircolor and find out what happens when you bleach hair or use temporary or permanent haircolor.Learn about the chemistry behind how mood rings work.But even he “realized that there probably would be variation”, says Christopher Bronk Ramsey, a geochronologist at the University of Oxford, UK, who led the latest work, published today in Science.Various geologic, atmospheric and solar processes can influence atmospheric carbon-14 levels.

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Do you think you have a handle on the Mad Cow Disease issue?

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