Good work, good responses to the initial questions. Your responses are just below. Under your responses are some addtional items for investigation. Submit those on this blog.
James MosleyRutherford’s Discovery of half-life
•I would guess, that because this was written by Rutherford, he will say how, when, and why he discovered half-life (whatever half-life is).
•During Rutherford’s life time: the Panama Canal was built, the Wright brothers flew their plane, the first Olympics that contained women was held in Paris, and Ford introduced the model-T.
•Well he was not really chosen to do it. He and his partner had the skills, equipment, and the time to do the needed testing.
January 29, 2008 12:11 PM
1. What is a half-life? Why is it important to understand that concept?
2. In what additional scientific developments did Rutherford participate?
3. Give some background on Rutherford (family origins, universities where he taught, etc.)
1 comment:
1. Well half-life is really just as it sounds, but in chemestry terms, which is probably what you are looking for, it is the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
2.he did a number of things. in 1899 he Demonstrates the principle which is now the basis of the modern smoke detector, in
1899 he Discovers a radioactive gas, later to be named radon, and in 1908 he Invents the Rutherford-Geiger detector of single ionizing particles.
3. Ernest Rutherford was born on 30 August 1871 in Nelson, New Zealand. In 1894 he won a scholarship to Cambridge University and worked as a research student under Sir Joseph Thomson. In 1898 he became Professor of Physics at McGill University in Montreal, Canada. In 1907 Rutherford returned to England to become Professor of Physics at Manchester University. In 1908, he was awarded the Nobel Prize in Chemistry. In 1914 he was knighted. In 1919 Rutherford became professor of experimental physics and director of the Cavendish Laboratory at Cambridge, succeeding Thomson.
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