Esmarch was among those who witnessed Oersted's first demonstration of his discovery.

The sequence of events leading to his important discovery still remains ambiguous but it seems that one of the advanced students at the university related that the first direct event that led to the publication of Oersted's discovery occurred during a private lecture made before a group of other advanced students in the spring of 1820.

This reviewer read the book when it was first brought out in England with a sense of discovery and excitement.

An early pioneer of radio astronomy was Grote Reber, an amateur astronomer who constructed the first purpose built radio telescope in the late 1930s to follow up on the discovery of radio wavelength emissions from space by Karl Jansky.

Since the first discovery in 1884, fossils of more than thirty individuals have been recovered, providing scientists with a more detailed knowledge of Albertosaurus anatomy than is available for most other tyrannosaurids.

In 1939, coinciding with the start of World War II, Rene Dubos reported the discovery of the first naturally derived antibiotic, gramicidin from B. brevis.

Fleming was the first to push these studies further by isolating the penicillin, and by being motivated enough to promote his discovery at a larger scale.

One of his most celebrated achievements is the discovery of the first arithmetic Weil cohomology theory: the ℓ-adic étale cohomology.

Aberration should not be confused with stellar parallax, although it was an initially fruitless search for parallax that first led to its discovery.

Thus the discovery report by the Berkeley group reads: " It is suggested that element 97 be given the name berkelium ( symbol Bk ) after the city of Berkeley in a manner similar to that used in naming its chemical homologue terbium ( atomic number 65 ) whose name was derived from the town of Ytterby, Sweden, where the rare earth minerals were first found.

The dawn of biochemistry may have been the discovery of the first enzyme, diastase ( today called amylase ), in 1833 by Anselme Payen.

The first Bigfoot hunters began following the discovery of footprints at Bluff Creek, California.

BCS theory, proposed by John Bardeen, Leon Neil Cooper, and John Robert Schrieffer ( BCS ) in 1957, is the first microscopic theory of superconductivity since its discovery in 1911.

The known history of Cuba predates Christopher Columbus ' landing on the island during his first voyage of discovery on 28 October 1492.

Cape Breton Island's first residents were likely Maritime Archaic natives, ancestors of the Mi ' kmaq, the latter of whom inhabited the island at the time of European discovery.

Historians generally credit João Faras-astronomer and physician of King Manuel I of Portugal who accompanied Pedro Álvares Cabral in the discovery of Brazil in 1500-for being the first European to depict it correctly.

The discovery image gave the first hint that comet Shoemaker – Levy 9 was an unusual comet, as it appeared to show multiple nuclei in an elongated region about 50 arcseconds long and 10 arcseconds wide.

The world ’ s first ice-calorimeter, used in the winter of 1782-83, by Antoine Lavoisier and Pierre-Simon Laplace, to determine the heat evolved in various chemical change s ; calculations which were based on Joseph Black ’ s prior discovery of latent heat.

The elements are listed generally in the order in which each was first defined as the pure element, as the exact date of discovery of most elements cannot be accurately defined.

Given is each element's name, atomic number, year of first report, name of the discoverer, and some notes related to the discovery.

* Sauer, Tilman, 1999, " The relativity of discovery: Hilbert's first note on the foundations of physics ," Arch.

Exploitation of this discovery enabled him to invent the first electrical generator in 1831, in which he converted the mechanical energy of a rotating copper disc to electrical energy.

The first few chapters of the novel, dealing with the discovery of Erewhon, are in fact based on Butler's own experiences in New Zealand where, as a young man, he worked as a sheep farmer on Mesopotamia Station for about four years ( 1860 – 1864 ) and explored parts of the interior of the South Island of which he wrote about in his A First Year in Canterbury Settlement ( 1863 ).

The first major challenge to conventional eugenics based upon genetic inheritance was made in 1915 by Thomas Hunt Morgan, who demonstrated the event of genetic mutation occurring outside of inheritance involving the discovery of the hatching of a fruit fly with white eyes from a family and ancestry of the red-eyed Drosophila melanogaster species of fruit fly.

Officers who participate in the continual practice drills assured me that the President's decision could be made and announced on the gold circuit within minutes after the first flash from Aj.

In this third year at the university, Hans, in 1797, was awarded the first important token of recognition, a gold medal for his essay on `` Limits Of Poetry And Prose ''.

With its coating of gold radiator paint removed -- a gaucherie of some earlier tenant -- it will now occupy its rightful place in the oval Blue Room on the first floor of the White House.

The 1961 theme is the Dakota Territorial Centennial, with the pictures including the Lewis and Clark expedition, the first river steamboat, the 1876 gold rush, a little red schoolhouse on the prairie, and today's construction of large Missouri River reservoirs.

and in the third place, it would cost a fortune to reproduce in the first place -- you've got six colors there including gold ''.

Nevertheless, in spite of Rutherford's estimation that gold had a central charge of about 100 ( but was element Z = 79 on the periodic table ), a month after Rutherford's paper appeared, Antonius van den Broek first formally suggested that the central charge and number of electrons in an atom was exactly equal to its place in the periodic table ( also known as element number, atomic number, and symbolized Z ).

* 1936 – Summer Olympic Games: Games of the XI Olympiad – Jesse Owens wins his fourth gold medal at the games becoming the first American to win four medals in one Olympiad.

Although Andean Amerindian peoples crafted ceremonial jewelry of gold and other metals the mineralizations of the Andes were first mined in large scale after the Spanish arrival.

* 2008 – American swimmer Michael Phelps becomes the first person to win eight gold medals in one Olympic Games.

The first of the Australian gold rushes, in the 1850s, began a large wave of immigration, with approximately two per cent of the population of the United Kingdom emigrating to the colonies of New South Wales and Victoria.

Age to Age became the first Christian album by a solo artist to be certified gold ( 1983 ) and the first Christian album to be certified platinum ( 1985 ).

The later usage was in part attributed to the choices of gold, silver and bronze to represent the first three Ages of Man in Greek mythology: the Golden Age, when men lived among the gods ; the Silver age, where youth lasted a hundred years ; and the Bronze Age, the era of heroes, and was first adopted at the 1904 Summer Olympics.

" In a reference to the first known historical Boii, Polybius relates that their wealth consisted of cattle and gold, that they depended on agriculture and war, and that a man's status depended on the number of associates and assistants he had.

The first known and " gold standard " mood stabilizer is lithium carbonate, which is effective in treating acute manic episodes, and preventing relapses, more so for manic than for depressive episodes.

Both parliaments gave unanimous votes of thanks, each captain who served in the battle was presented with a specially minted gold medal and the first lieutenant of every ship engaged in the battle was promoted to commander.

These factors led to the shift of the store of value being the metal itself: at first silver, then both silver and gold, at one point there was bronze as well.

Thus, the first Olympic medals in curling, which at the time was played outside, were awarded for the 1924 Winter Games, with the gold medal won by Great Britain and Ireland, two silver medals by Sweden, and the bronze by France.

The first of the matches with coloured uniforms was the WSC Australians in wattle gold versus WSC West Indians in coral pink, played at VFL Park in Melbourne on 17 January 1979.

Sometimes used as a symbol for Christian marriage: Two gold wedding rings interlinked with the Greek letters Chi ( letter ) | chi ( X ) and Rho ( letter ) | rho ( P )— the first two letters in the Greek word for " Christ " ( see Labarum )

On 30 August 2012 it was announced that British firm Nyota Minerals was about to become the first foreign company to receive a mining licence to extract gold from an estimated resource of 52 tonnes in western Ethiopia.

The first single of the album, " Can't Get It Out of My Head ", became their first US Billboard charts Top 10 hit, and Eldorado, A Symphony became ELO's first gold album.