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carbon-14 |
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carbon-14 (14C), a beta-emitter with a half-life of about 5700 years. It occurs naturally, arising from cosmic rays, and is used as a tracer in studying various aspects of metabolism and in dating relics that contain natural carbonaceous materials. Compare carbon-11. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Their conclusion was based on Carbon 14 analysis (C-14) following a protocol agreed to by the Vatican, with research performed in three laboratories chosen by the Archbishop of Turin. That leaves the infamous ``fourth food group'' - chocolate - which recently was alleged to contain lead, mercury, zinc, carbon 14, ozone, radioactive iodine, used tire rubber and strontium 90. Since the development of the carbon 14 dating method in the late 1940s, experts have recognized the technique does not work like a perfect clock. |
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