![]() On 28 July 1844, the day after he died, local doctor Joseph Ransome performed the autopsy. He suggested that the colour of the fluid in the eyes, known as the vitreous humour, acted as a filter to certain colours in the spectrum.ĭalton’s ideas were met with resistance from some of his contemporaries at the time, so to test his theory, Dalton donated his eyes for examination after death. In addition to his work with atoms, Dalton also developed a theory to explain colour vision deficiency (or colour blindness), from which he himself suffered. He was also a figurehead in the world of meteorology. Through his experimentation, Dalton not only formulated a new atomic theory to explain chemical reactions, upon which much of modern chemistry and physics is based, but he also developed a theory to explain colour vision deficiency, from which he himself suffered. He read over 100 papers to the Society, and became its Secretary, Vice-President and, ultimately, President. Though sometimes criticised for the quality of his experiments, Dalton was an enthusiastic investigator who worked late most evenings. Through this, he gained access to a well-equipped research laboratory, where his scientific output flourished. The Society gave him a room for teaching and research at its premises on George Street. ![]() It was a discussion group set up to share scientific ideas at a time when science had yet to become a profession. Soon after moving to Manchester, Dalton joined the Literary & Philosophical Society, which was at the centre of the city's scientific and business community.
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