Friday, January 3rd, 2020
Isaac Newton (1642–1726) was one of history’s most accomplished scientific observers of the natural world. His work laid the foundation for our modern understanding of optics; his three laws of motion laid the foundation for modern physics; and in mathematics he discovered infinitesimal calculus.
Newton was born the son of a farmer in Woolsthorpe, Lincolnshire. He went to school at the Grammar School in Grantham, won a place at Trinity College, Cambridge. He went on to become a Member of Parliament, was knighted by Queen Anne in 1705, became both Warden and then Master of the Royal Mint and President of the Royal Society.
The Bubble Detective
Newton used soap bubbles to study the interference of light and worked out that the thickness of soap bubbles actually varies: at their thinnest point they are 1/2,500,000 of an inch thick (or 0.000001016 of a centimetre), or 4,000 times thinner than a piece of paper. Newton, in his work Opticks, also first described the phenomena that take place on the surface of a bubble, and he used bubbles to develop his famous theory of light.
To find out more read our chapter on the history of bubbles in Histories of the Unexpected: How Everything Has a History and listen to the podcast on bubbles!
Written by Isaac Newton himself because he is particularly proud of his work on bubbles and is worried everyone will forget.
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