Why Does Sweat Turn Shirts Yellow?

Science is the acceptance of what works and the rejection of what does not. That needs more courage than we might think. - Jacob Bronowski 1908 to 1974 Mathematician Biologist

Physicists being in no way different from the rest of the population have short memories for what is inconvenient. ~ Anthony Standen 1907 – 1993

Why Does Sweat Turn Shirts Yellow?

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List of inventors!
List of inventors!

James Henry Greathead (1844–1896) South Africa – tunnel boring machine tunnelling shield technique.

Friedrich Clemens Gerke (1801–1888) Germany – current international Morse code.

Ivan Kulibin (1735–1818) Russia – egg-shaped clock candle searchlight elevator using screw mechanisms a self-rolling carriage featuring a flywheel brake gear box and bearing an early optical telegraph.

Leland Clark (1918–2005) USA – Clark electrode (medicine).

Ian Hector Frazer (born 1953) together with Jian Zhou (1957–1999) USA/China – HPV vaccine against cervical cancer.

William Friese-Greene (1855–1921) UK – cinematography.

Nikolay Benardos (1842–1905) Russia – arc welding (specifically carbon arc welding the first arc welding method).

James Gregory (1638–1675) Scotland – Gregorian telescope.

Andrei Sychra (c.1773/76–1850) Lithuania/Russia Czech descent – Russian seven-string guitar.

Gyula Takátsy (1914–1980) Hungary – first Microtiter plate.

Marc Seguin (1786–1875) France – wire-cable suspension bridge.

Charles Francis Richter (1900–1985) USA – Richter magnitude scale.

Christopher Polhem (1661–1751) Sweden – the modern padlock.

Ridgway Banks inventor of the Banks Engine a Nitinol based solid state heat engine.

Émile Baudot (1845-1903) France - Baudot code.

John McAdam (1756–1836) Scotland – improved "macadam" road surface.

Theodore Maiman (1927–2007) USA – Laser see also Gordon Gould.

Hyman George Rickover (1900–1986) USA – Nuclear submarine.

Robert Metcalfe (born 1946) USA – Ethernet.

Paul C. Fisher (1913–2006) USA – Space Pen.

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Brilliant Quotes By Famous And Awesome Scientists!

Surely it is not knowledge but learning; not owning but earning; not being there but getting there; that gives us the greatest pleasure. ~ Carl Friedrich Gauss 1777 – 1855 - Mathematician and Physicist

It does not help that some politicians and journalists assume the public is interested only in those aspects of science that promise immediate practical applications to technology or medicine. - Steven Weinberg 1933 to present Theoretical Physicist

All increasing or dominant species (and it is from these that new species arise) vary considerably in all their parts organs and faculties in every generation. ~ Alfred Russel Wallace 1823 to 1913 - Zoologist Evolutionary Biologist

The uniform character of mathematics is the essence of science for mathematics is the foundation of all exact scientific knowledge. ~ David Hilbert 1862 – 1943 Mathematician

In practical applications we are concerned only with comparatively small numbers; only stellar astronomy and atomic physics deal with ‘large’ numbers and they have very little more practical importance as yet than the most abstract pure mathematics. ~ G. H. Hardy 1877 – 1947 - Mathematician

In its efforts to learn as much as possible about nature modern physics has found that certain things can never be “known” with certainty. Much of our knowledge must always remain uncertain. The most we can know is in terms of probabilities. ~ Richard Feynman 1918 to 1988

I have eaten 2/3 of 1/3 of my food ration. 7 remains. How much food did I start with? ~ Cuneiform Babylonian mathematics exercise 1900 – 1600 BC

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