Sir William Crookes

        William Crookes was one of the most important scientists of the nineteenth cytosine both in the fields of chemistry and physics. He is fountainhead kn bear for his invention of the Crookes tube, and the discovery of thallium.

        Crookes was born on the 17th of June in 1832 in London, England. He began his career in science at the age of sixteen when he go to the Royal College of Chemistry in London. He first attend college wanting to study organic chemistry. He was an attendant at the college; therefore, he could visit meetings at the Royal Institution in London. At one of these meetings, Crookes was influenced by a physicist to win over the area of science he studied to physics. In 1856, later his fathers death, Crookes inherited his fathers money and used it to purchase his own scientific laboratory in London, England. After a a couple of(prenominal) years of experimenting, he discovered the element thallium. At the clock time of this, another scientist named C. A. Lamy also had also gotten a small savor of thallium and there was controversy over who would be attribute with the discovery of thallium. This discovery helped Crookes to invent the radiometer in 1875. The radiometer is a device that measures the intensity of radiant energy. He later invented the vacancy tube which is the precursor of the x-ray tube.



Beginning in 1887, he began investigating electrical charges through highly evacuated Crookes Tubes. His trim led to the foundation of J. J. Thomsons research in the 1890s on the discharge-tube phenomena. afterward in his life, at the age of 68, Crookes began to investigate the phenomenon of radioactivity. irradiation had been discovered in 1896, and Crookes invented a device that would notice alpha particles emitted from the radioactive material. Crookes continued to have an fire in organic...

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