Imagine the Earth were to shrink to the size of a marble. We might be in trouble, but the planet would continue its smooth course around the Sun while the Moon would maintain its orbit, circling Earth once a month. Isaac Newton proved that the Earth’s gravitational pull would be the same even if all…

ThatsMaths

29.07.2025

Going for Gold: Henri Poincaré and Solar System Stability – ThatsMaths

In his classical textbook on mechanics, Edmund Whittaker described the three-body problem as “the most celebrated of all dynamical problems”. From 1906 to 1912, Whittaker was Andrews Professor at Trinity College Dublin and Royal Astronomer of Ireland. The three-body problem is to determine the motion of three massive bodies moving in space under mutual gravitational…

ThatsMaths

25.08.2025

Finding a Horseshoe on the Beaches of Rio – ThatsMaths

In 1966, American mathematician Steve Smale was awarded a Fields Medal, a kind of Nobel Prize for mathematics. At a press conference at the International Congress of Mathematicians in Moscow, Smale attacked both US and Russian foreign policy. He was vehemently opposed to military aggression by the two super-powers. His pacifist position resulted in serious…

ThatsMaths

18.09.2025

John von Neumann: Computer Wizard and AI Visionary – ThatsMaths

With unique and outstanding achievements in mathematics and science, John von Neumann was on an intellectual level far above us; the oft-misused term genius truly applies to him. Von Neumann, brilliant in both pure and applied mathematics, was a towering figure of 20th century science. As a child, he demonstrated a prodigious memory and computational…

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The Future of Physics may be Surreal – ThatsMaths

Going for Gold: Henri Poincaré and Solar System Stability – ThatsMaths

Finding a Horseshoe on the Beaches of Rio – ThatsMaths

John von Neumann: Computer Wizard and AI Visionary – ThatsMaths

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