A theory is a supposition which we hope to be true a hypothesis is a supposition which we expect to be useful; fictions belong to the realm of art; if made to intrude elsewhere they become either make-believes or mistakes. - George Johnstone Stoney 1826 to 1911 Physicist
Find the number such that if the whole of it is added to one-seventh of it the result will be nineteen. ~ The Ahmes Papyrus Ancient Egyptian mathematics problem from c. 2200 BC
John Barber (1734–1801) UK – gas turbine.
John Vincent Atanasoff (1903–1995) Bulgaria/USA – modern digital computer.
Friedrich Wilhelm Gustav Bruhn (1853–1927) Germany – Taximeter.
Cyril Duquet (1841–1922) Canada – Telephone handset.
Frank Marugg (inv. 1944) USA – Wheel clamp.
John Stringfellow (1799–1883) UK – aerial steam carriage.
Nick Holonyak (born 1928) USA – LED (Light Emitting Diode).
Elijah McCoy (1843–1929) Canada – Displacement lubricator.
Kotaro Honda (1870–1954) Japan – KS steel.
Aleksandr Makarov Russia/Germany – Orbitrap mass spectrometer.
Marc Seguin (1786–1875) France – wire-cable suspension bridge.
John Harington (1561–1612) UK – the flush toilet.
William Bradford Shockley (1910–1989) USA – co-inventor of transistor.
Nikolai Lebedenko Russia – Tsar Tank the largest armored vehicle in history.
Oleg Antonov (1906–1984) Russia – An-series aircraft including A-40 winged tank and An-124 (the largest serial cargo later modified to world's largest fixed-wing aircraft An-225).
Emil Strub (1858–1909) Switzerland – Strub rack railway system.
Jack Kilby (1923–2005) USA – patented the first integrated circuit.
Francis Beaufort (1774–1857) Ireland/UK – Beaufort scale Beaufort cipher.
Alexei Tupolev (1925–2001) Russia – the Tupolev Tu-144 (first supersonic passenger jet).
Abi Bakr of Isfahan (c. 1235) Persia/Iran – mechanical geared astrolabe with lunisolar calendar.
All of physics is either impossible or trivial. It is impossible until you understand it and then it becomes trivial. ~ Ernest Rutherford 1871 to 1937
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
I am not insensible of the advantage which accrues to Applied Mathematics from the co-operation of the Pure Mathematician and this co-operation is not infrequently called forth by the very imperfections of writers on Applied Mathematics. ~ Ronald Fisher 1890 – 1962 - Mathematician Statistician Evolutionary Biologist
The ultimate truths of mathematics then cannot be established by any experimental proof that the deductions from them are true; since the supposed experimental proof takes them for granted. ~ Herbert Spencer 1885 – 1977 - Philospher
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
Archimedes’ finding that the crown was of gold was a discovery; but he invented the method of determining the density of solids. Indeed discoverers must generally be inventors; though inventors are not necessarily discoverers. - William Ramsay 1852 to 1916 Chemist
By ‘life ’ we mean a thing that can nourish itself and grow and decay. - Aristotle 384 BC to 322 BC Scientist Philosopher
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- Size: 4Pcs x 12x12inch (30x30cm), Giclee artwork, printed on high quality waterproof cotton canvas.
- Ready to Hang, Stretched and Framed, Easy Setup - Cord setup already, easy hold on the nails(Free accessories).
- Gallery wrapped on approximately 0.75"(2cm) wood bars, the image continues around the sides.
- Painting effect(Not 100% HD Clear) because canvas material rough surface. But OK in a 20 inches distance. (If fulfilled by Seller, Free Shipping, send out within 2-3 bussiness days- Shipping time 4-9 days)
- Brand "SMARTWALLSTATION" has been registered and protected.
- Size: 28" x 24"
- Color: Matte Black
- High-Quality Die-Cut Oracal Vinyl; Made In USA
- Written/Video Instructions Included
- Will not damage walls Non-transferrable
- Special Quote Ceramic Wall Hanging Art Sign
- * Size: 15 x 15 cm / 5.9 x 5.9 inch
- This tile has a smooth surface.
- It comes with a hook for hanging on the wall.