Discoveries questionsThis is a list of recently added questions about discoveries.
Which plant was particularly valued in the production of the first paper?
The mulberry is a significant fiber crop in the history of paper. It was used for papermaking in China by around 100 AD. The paper recipe used by Cai Lun included plant bark fibres, rags and fishing nets. Early paper makers particularly valued Mulberry for producing high quality paper. Washi, a Japanese handcrafted paper, is made with the inner bark, which is pounded and mixed with water to produce a paste, which is dried into sheets.
Who discovered the four largest moons of Jupiter?
The Galilean moons are the four largest moons of Jupiter—Io, Europa, Ganymede, and Callisto. They were first seen by Galileo Galilei in December 1609 or January 1610, and recognized by him as satellites of Jupiter in March 1610.
What type of nebula is the Horsehead Nebula?
Dark nebulae are clouds of dust which are simply blocking the light from whatever is behind. They are physically very similar to reflection nebulae; they look different only because of the geometry of the light source, the cloud and the Earth. Dark nebulae are also often seen in conjunction with reflection and emission nebulae. A typical diffuse nebula is a few hundred light-years across. (NGC 2264 shown; see also the Horsehead Nebula)
What was the first commercial application of microprocessors?
Electronic Chess Sets
Busicom was a Japanese company that owned the rights to Intel's first microprocessor, the Intel 4004, which they created in partnership with Intel in 1970. Busicom asked Intel to design a set of integrated circuits for a new line of programmable electronic calculators in 1969. In doing this, they spurred the invention of Intel's first microprocessor to be commercialized, the Intel 4004. Busicom owned the exclusive rights to the design and its components in 1970 but shared them with Intel in 1971.
What was the Treaty of Tordesillas about?
A division the newly discovered lands outside Europe
A military alliance
Rights to use the sea route to India
The Treaty of Tordesillas signed at Tordesillas in Spain on June 7, 1494, divided the newly discovered lands outside Europe between the Portuguese Empire and the Crown of Castile, along a meridian 370 leagues west of the Cape Verde islands, off the west coast of Africa. This line of demarcation was about halfway between the Cape Verde islands and the islands entered by Christopher Columbus on his first voyage named in the treaty as Cipangu and Antilia (Cuba and Hispaniola).
The Rosetta Stone is inscribed with a decree regarding..?
a declaration of war
tax exempt status
The Rosetta Stone is an example of what is known as a “donation stele” and the decree on it proclaims the divine rulership of King Ptolemy V (as endorsed by the priesthood), details the tax exempt status of the resident priesthood, and concludes with the instruction that a copy was to be placed in every temple (inscribed in all three languages). The Rosetta Stone is a granodiorite stele, found in 1799, inscribed with three versions of a decree issued at Memphis, Egypt, in 196 BC during the Ptolemaic dynasty.
A monk, Gregor Mendel is the " father" of modern ...?
Gregor Mendel, known as the "father of modern genetics," was born in Austria in 1822. A monk, Mendel discovered the basic principles of heredity through experiments in his monastery's garden. He was engaged in research on the inheritance of the traits of peas.
Who was the first to use the term "America"?
The name America was first recorded in 1507. Christie's auction house says a two-dimensional globe created by Martin Waldseemüller was the earliest recorded use of the term. America derives from Americus, the Latin version of Italian explorer Amerigo Vespucci's first name.
Where does IceCube Neutrino Observatory work?
The IceCube Neutrino Observatory (or simply IceCube) is a neutrino observatory constructed at the Amundsen–Scott South Pole Station in Antarctica. Its thousands of sensors are located under the Antarctic ice, distributed over a cubic kilometre. In November 2013 it was announced that IceCube had detected 28 neutrinos that likely originated outside the Solar System.
How many asteroids was discovered by Charles Thomas Smith?
Charles Thomas Kowal (1940 -2011) was an American astronomer known for his observations and discoveries in the Solar System. As a staff astronomer at Caltech's Mount Wilson and Palomar Mountain observatories between 1961 and 1984, he found the first of a new class of Solar System objects, the centaurs, discovered two moons of the planet Jupiter, and discovered or co-discovered a number of asteroids, comets and supernovae.
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