How to Build a Lava Moat (with xkcd)


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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

The legend that every cipher is breakable is of course absurd though still widespread among people who should know better. ~ J.E. Littlewood 1885 – 1977 - Mathematician


How to Build a Lava Moat (with xkcd)

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List of inventors!
List of inventors!

Akinfiy Demidov (1678–1745) Russia – co-developer of rebar cast iron dome lightning rod (all found in the Leaning Tower of Nevyansk).

Otto Schmitt (1913–1998) USA – Schmitt trigger (electronics).

Leonardo da Vinci (1452–1519) Italy – conceptualized a helicopter a tank concentrated solar power the double hull. Relatively few of his designs were constructed during his lifetime. Some that were used are an automated bobbin winder and a machine for testing the tensile strength of wire.

Evangelista Torricelli (1608–1647) Italy – barometer.

Robert Goddard (1882–1945) USA – liquid fuel rocket.

Richard James Burgess (born 1949) UK – Simmons (electronic drum company) co-inventor of SDS5 drum synthesizer.

Clarence Birdseye (1886–1956) USA – frozen food process.

Alexander Sablukov (1783–1857) Russia – centrifugal fan.

George William Manby (1765–1854) UK – Fire extinguisher.

Hans Tropsch (1889–1935) together with Franz Joseph Emil Fischer (1877–1947) Germany – Fischer–Tropsch process (refinery process).

Ottomar Anschütz (1846–1907) Germany – single-curtain focal-plane shutter electrotachyscope.

Franz Joseph Emil Fischer (1877–1947) together with Hans Schrader (1921–2012) Germany – Fischer assay (oil yield test).

Alexander Graham Bell (1847–1922) UK Canada and USA – telephone.

Leó Szilárd (1898–1964) Hungary/USA – Co-developed the atomic bomb patented the nuclear reactor catalyst of the Manhattan Project.

Friedrich Soennecken (1848–1919) Germany – Ring binder Hole punch.

Adolph Giesl-Gieslingen (1903–1992) Austria – Giesl ejector.

S. Scott Crump (inv. c. 1989) USA – a.o. Fused deposition modeling.

Wallace Carothers (1896–1937) USA – Nylon and Neoprene (together with Arnold Collins).

Margaret E. Knight (1838–1914) USA – machine that completely constructs box-bottom brown paper bags.

János Csonka (1852–1939) Hungary – co-inventor of carburetor.


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Brilliant Quotes By Famous And Awesome Scientists!

Physics is actually too hard for physicists. ~ David Hilbert 1862 to 1943 (Mathematician)

I believe that thirty million of these animalcules together would not take up as much room or be as big as a coarse grain of sand. ~ Antonie van Leeuwenhoek 1632 to 1723 - Biologist

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 think it would be quite wrong to suggest that my colleagues have rejected me or that I reject them. Quite the reverse. It’s only a small vociferous group – mainly biologists I’m sorry to say – that go beyond ordinary scientific criticism and start becoming personal. ~ James Lovelock 1919 – present - Gaia Theorist Inventor Scientific Polymath

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

When you hear a physicist invoke the uncertainty principle keep a hand on your wallet. ~ David Griffiths b. 1942

Chemists do not usually stutter. It would be very awkward if they did seeing that they have at times to get out such words as methylethylamylophenylium. ~ Sir William Crookes - 1832 to 1919


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