Abstract
No special difficulty has been experienced in showing that the β particles (electrons), expelled from radium, carry with them a negative charge of electricity. The positive charge left behind on the vessel containing the radio-active material is simply and strikingly illustrated in the arrangement devised by Strutt, which is now popularly known as the “radium clock.”
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RUTHERFORD, E. Charge carried by the α Rays from Radium. Nature 71, 413–414 (1905). https://doi.org/10.1038/071413c0
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DOI: https://doi.org/10.1038/071413c0
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