Why Do I Have to Use a Number 2 Pencil?


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Macroscopic objects as we see them all around us are governed by a variety of forces derived from a variety of approximations to a variety of physical theories. In contrast the only elements in the construction of black holes are our basic concepts of space and time. They are thus almost by definition the most perfect macroscopic objects there are in the universe. ~ Subrahmanyan Chandrasekhar 1910 to 1995

What is possible in the Cavendish Laboratory may not be too difficult in the sun. - Sir Arthur Eddington 1882 to 1944 Astronomer Physicist Mathematician


Why Do I Have to Use a Number 2 Pencil?

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List of inventors!
List of inventors!

Georgios Papanikolaou (1883–1962) Greece / USA – Papanicolaou stain Pap test = Pap smear.

Charles Chamberland (1851–1908) France – Chamberland filter.

Igor Spassky (born 1926) Russia – Sea Launch platform.

Jean-François Pilâtre de Rozier (1754–1785) France – Rozière balloon.

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

Jonas Ferdinand Gabriel Lippmann (1845–1921) France – Lippmann plate Integral imaging Lippmann electrometer.

Gilles Saint-Hilaire (born 1948) Canada – Quasiturbine Qurbine.

Heron (c. 10–70) Roman Egypt – usually credited with invention of the aeolipile although it may have been described a century earlier.

Bernard Silver (1924–1963) together with Norman Joseph Woodland (1921–2012) USA – Barcode.

Robert W. Bower (born 1936) USA – self-aligned–gate MOSFET.

Thomas E. Kurtz (born 1928) together with John G. Kemeny (1926–1992) USA/Hungary – BASIC (programming language).

Mikhail Tikhonravov (1900–1974) Russia – co-developer of Sputnik 1 (the first artificial satellite) together with Korolyov and Keldysh designer of further Sputniks.

Giovanni Battista Amici (1786–1863) Italy – Dipleidoscope Amici prism.

Gerhard Sessler (born 1931) Germany – foil electret microphone silicon microphone.

Hon Lik (1951 - ) Chinese. electronic cigarette.

William Justin Kroll (1889–1973) Luxemburg/USA – Kroll process.

Fritz Pfleumer (1881–1945) Germany – magnetic tape.

Charles H. Henry (born 1937) USA – Quantum well laser.

Felix Hoffmann (Bayer) (1868–1949) Germany – Aspirin.

Alec Reeves (1902–1971) UK – Pulse-code modulation.


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Brilliant Quotes By Famous And Awesome Scientists!

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

A cylinder of air reaching to the top of the atmosphere is of equal weight with a cylinder of water about 33 feet high. ~ Isaac Newton 1642 to 1727

I accept no principles of physics which are not also accepted in mathematics. ~ René Descartes 1596 to 1650

Although the alternate ‘wax and wane’ cycles are the rule rather than the exception in all fields of human endeavor in that of biological sciences the ‘wane’ is all too often indicative of a justified loss of faith in the rational and methodical approach that had at first raised so much hope. ~ Rita Levi-Montalcini 1909 to 2012 Neurobiologist

There is no law except the law that there is no law. - John Archibald Wheeler 1911 to 2008 Theoretical Physicist

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

We were a polite society and I expected to lead a quiet life teaching mechanics and listening to my senior colleagues gently but obliquely poking fun at one another. This dream of somnolent peace vanished very quickly when (Ernest) Rutherford came to Cambridge. Rutherford was the only person I have met who immediately impressed me as a great man. He was a big man and made a big noise and he seemed to enjoy every minute of his life. I remember that when transatlantic broadcasting first came in Rutherford told us at a dinner in Hall how he had spoken into a microphone to America and had been heard all over the continent. One of the bolder of our Fellows said: “Surely you did not need to use apparatus for that.” ~ Geoffrey Fellows 1871 to 1937


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