People Use A 3D Pen For The First Time


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The literary convention that numbers less than 10 should be given in words is often highly unsuitable in mathematics… The excessive use of the word forms is regrettably spreading at the present time. ~ J.E. Littlewood 1885 – 1977 - Mathematician

I believe there are 15 747 724 136 275 002 577 605 653 961 181 555 468 044 717 914 527 116 709 366 231 425 076 185 631 031 296 protons in the universe and the same number of electrons. - Sir Arthur Eddington 1882 to 1944 Astronomer Physicist Mathematician


People Use A 3D Pen For The First Time

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List of inventors!
List of inventors!

Bernhard Schmidt (1879–1935) Estonia/Germany – Schmidt camera.

Steve Kirsch (born 1956) USA – Optical mouse.

Ibn al-Haytham (Alhazen) (965–1039) Iraq – camera obscura pinhole camera magnifying glass.

Alexander Kemurdzhian (1921–2003) Russia – first space exploration rover (Lunokhod).

Min Chueh Chang (1908–1991) together with Gregory Goodwin Pincus (1903–1967) USA/China – Combined oral contraceptive pill.

Fazlur Khan (1929–1982) Bangladesh – structural systems for high-rise skyscrapers.

Ernst Ruska (1906–1988) Germany – electron microscope.

Su Song (1020–1101) China – first chain drive.

Isaac Singer (1811–1875) USA – sewing machine.

Georgy Beriev (1903–1979) Georgia/Russia – Be-series amphibious aircraft.

Robert N. Hall (born 1919) USA – a.o. Semiconductor laser.

Annie Malone (1869–1957) USA – Cosmetics for African American women.

Boris Rosing (1869–1933) Russia – CRT television (first television system using CRT on the receiving side).

Jean Bernard Léon Foucault (1819–1868) France – Foucault pendulum gyroscope eddy current.

George de Mestral (1907–1990) Switzerland – Velcro.

John Heysham Gibbon (1903–1973) USA – Heart-lung machine.

Dmitry Lachinov (1842–1902) Russia – mercury pump economizer for electricity consumption electrical insulation tester optical dynamometer photometer elecrolyser.

Jozef Karol Hell (1713–1789) Slovakia – the water pillar.

John Bennett Fenn (1917–2010) USA – Electrospray ionization.

Konstantin Konstantinov (1817 or 1819–1871) Russia – device for measuring flight speed of projectiles ballistic rocket pendulum launch pad rocket-making machine.


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Brilliant Quotes By Famous And Awesome Scientists!

There may be babblers wholly ignorant of mathematics who dare to condemn my hypothesis upon the authority of some part of the Bible twisted to suit their purpose. I value them not and scorn their unfounded judgment. - Nicolaus Copernicus 1473 – 1543 Astronomer Mathematician

Division is esteemed one of the busiest operations of Arithmetic and such as requireth a mind not wandering or settled upon other matters. ~ Thomas Hylles The arte of vulgar arithmeticke 1600 - Mathematician

Suppose we have an unknown number of objects. When counted in threes 2 are left over when counted in fives 3 are left over and when counted in sevens 2 are left over. How many objects are there? ~ Sunzi The Mathematical Classic of Sunzi - Chinese mathematics problem from c. 450 AD

Although Nature needs thousands or millions of years to create a new species man needs only a few dozen years to destroy one. ~ Victor Scheffer 1906 to 2011 - Biologist

Benjamin Franklin performed a beautiful experiment using surfactants; on a pond at Clapham Common he poured a small amount of oleic acid a natural surfactant which tends to form a dense film at the water-air interface. He measured the volume required to cover all the pond. Knowing the area he then knew the height of the film something like three nanometers in our current units. ~ Pierre-Gilles de Gennes 1932 to 2007

In reality a theory in natural science cannot be without experimental foundations; physics in particular comes from experimental work. ~ Samuel C. C. Ting b. 1936

Science is vastly more stimulating to the imagination than the classics. - J. B. S. Haldane 1892 to 1964 Biologist


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