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"Before, when I looked at a piece of blank paper my mind was filled with ideas. Now all I see is a blank piece of paper." Paul Erdős
Worth reading, interesting facts, remarkable people, weird stuff, useful info ...
- Richard Feynman
- Grigori Perelman
- Marie Curie
- Lord Kelvin: He thought science had discovered and explained almost everything at the end of the 19th century. He saw just two dark clouds at the horizon: the unsatisfactory explanations for the Michelson–Morley experiment and black body radiation.
- Timeline of peptic ulcer disease and Helicobacter pylori
- Ramsey's theorem and Graham's number.
- False brinelling
- Colonel David Hackworth
- António Egas Moniz: 1949 Nobel prize for lobotomy, also helped develop Thorotrast, a highly carcinogenic contrast agent.
- Icy Ball: low-tech refrigerator.
- Santiago Ramón y Cajal: Nobel prize medicine 1906. At age eleven he spent three days in prison for destroying his neighbor's yard gate with a homemade cannon.
- Fans: flow Q∝ωø3; head H∝ω2ø2; power P∝ω3ø5; noise I∝ω5