In 1897, physicist J.J. Thomson performed a cathode-ray tube experiment, which led to the discovery of electrons.

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The suite of experiments that led Thomson to identify the electron as an elementary particle, and define its mass, were informed by numerous other scientists studying cathode rays, including the ...

In a groundbreaking mission, SpaceX Fram2 crew recreated Röntgen's X-ray experiment in space, imaging a hand and other body parts. This mission, supported by Chun Wang, conducted 22 research ...

JJ Thomson effectively resolved the debate in 1897 by performing a clever experiment that determined the charge to mass ratio of the particles making up the cathode ray. He also showed that this same ...

In 1897, English physicist Joseph John Thomson discovered electrons while conducting experiments with cathode-ray tubes. He called electrons “corpuscles”. Cathode Ray Tube.

Researchers at the University of Oxford, together with colleagues at the UK Science and Technology Facilities Council (STFC) and at several other laboratories, have announced results from a new search ...

One of those was his invention of the cathode-ray tube, also known as the Braun’s tube. In an elegant paper published on February 15, 1897, Braun described the design and realisation of this tube.

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These included J.J. Thomson's 1897 discovery of the electron and James Chadwick's 1932 identification of the neutron. But perhaps the most famous of these experiments was Hans Geiger and Ernest ...

“If Thomson were to write the thought experiment today, you wouldn’t just be lying in bed with the violinist, you’d be told you’re not allowed to do this or that: you can’t drink; you must get ...