Willard Frank Libby was an American physical chemist noted for his role in the development of radiocarbon dating, a process which revolutionized archaeology. For his contributions to the team that developed this process, Libby was awarded the Nobel Prize in Chemistry in While associated with the Manhattan Project —45 , Willard Libby helped develop the atomic bomb. Libby began experimenting with carbon, radiocarbon, in the late s and discovered that it could be used to determine the age of very old things. In , Libby obtained the first age determination using the carbon dating technique and won the Nobel Prize for his discovery in
The History of Wine | Arena Flowers - Arena Flowers
Introduction to the history of wine. Wine has been a popular beverage of mankind for thousands of years. Our natural fondness of this drink stems from the wonderful taste, its nutritious properties and not least its psychotropic intoxicating effects. Out of all alcoholic drinks, none has had such an impact on society. The trade of wine between cultures opened up channels for religious and philosophical ideas to spread across Europe.
Carbon is an incredible element. Arrange carbon atoms in one way, and they become soft, pliable graphite. Rejigger the arrangement, and — presto!
Today we think nothing of stepping up to a hole in the wall to withdraw money, but until the late s, getting hold of cash required a trip to the bank during office hours. Carol Greygoose, who was a teller at the branch at the time, remembers it clearly: "I was only 18 and had been working at the branch for two years. It was a really big deal and we were so excited Enfield had been chosen. Like many of the best inventions, the ATM was developed as a result of frustration.
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Yobei 2 years ago
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Ferron 2 years ago
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All сomments (3)
It is a pity that I cannot express myself now - there is no free time. I will return - I will absolutely express the opinion on this issue.
I can suggest coming to a website with a large amount of articles on a topic that interests you.
It will be enough!