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aug 30, 1940 - Death of JJ Thompson

Description:

"As the cathode rays carry a charge of negative electricity, are deflected by an electrostatic force as if they were negatively electrified, and are acted on by a magnetic force in just the way in which this force would act on a negatively electrified body moving along the path of these rays, I can see no escape from the conclusion that they are charges of negative electricity carried by particles of matter." ~ Joseph John Thomson

Added to timeline:

1 Oct 2018
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Date:

aug 30, 1940
Now
~ 84 years ago

Images: