Sir William Herschel discovered Infra-red radiation in 1800.
The hormone gibberellin was discovered in the country Japan.
An invention that improved safety for railway passengers is Air brakes. With the use of air brakes using compressed air, become more effective by preventing many train accidents.
In the early 1950s two scientists, Rosalind Franklin and Maurice Wilkins, studied DNA using x-rays. Franklin produced an x-ray photograph that allowed two other researchers, James Watson and Francis Crick to work out the 3D structure of DNA. The structure of DNA was found to be a double helix.
Guglielmo Marconi, an Italian invetor invented Radio in 1890's.
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