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 has led some authors to advocate that Giesel alone should be credited with the discovery.

J. J. Thomson created a technique for separating atom types through his work on ionized gases, which subsequently led to the discovery of stable isotopes.

More recent observations made in the laboratory of antibiosis between micro-organisms led to the discovery of natural antibacterials produced by microorganisms.

The discovery of such a powerful antibiotic was unprecedented, and the development of penicillin led to renewed interest in the search for antibiotic compounds with similar efficacy and safety.

Florey credited Dubos with pioneering the approach of deliberately and systematically searching for antibacterial compounds, which had led to the discovery of gramicidin and had revived Florey's research in penicillin.

The 1940 discovery of a lost work by Vincent of Lérins, which bears a striking similarity to much of the language of the Athanasian Creed, have led many to conclude that the creed originated either with Vincent or with his students.

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

The discovery of chlorpromazine's psychoactive effects in 1952 led to greatly reduced use of restraint, seclusion, and sedation in the management of agitated patients, and also led to further research that resulted in the development of antidepressants, anxiolytics, and the majority of other drugs now used in the management of psychiatric conditions.

The publication of Total Baseball led to the discovery of several " phantom ballplayers ", such as Lou Proctor, who did not belong in official record books and were removed.

The greed for gold led to the discovery of the process for its purification, even though the underlying principles were not well understood — it was thought to be a transformation rather than purification.

It was fire that led to the discovery of iron and glass.

Early twentieth-century experiments on the physics of very small-scale phenomena led to the discovery of phenomena which could not be predicted on the basis of classical physics, and to the development of new models ( theories ) that described and predicted very accurately these micro-scale phenomena.

This was a major discovery in an important field of mathematics ; construction problems had occupied mathematicians since the days of the Ancient Greeks, and the discovery ultimately led Gauss to choose mathematics instead of philology as a career.

The discovery of Ceres led Gauss to his work on a theory of the motion of planetoids disturbed by large planets, eventually published in 1809 as Theoria motus corporum coelestium in sectionibus conicis solem ambientum ( Theory of motion of the celestial bodies moving in conic sections around the Sun ).

She called this experience " the falling apple " that led to her discovery of Christian Science.

She referred to this event as her " Great Discovery ", the " falling apple " that led to her " discovery how to be well " herself ( ibid.

This led to a weakening of the domestic economy after Columbus ' discovery of America, as the economy became dependent on colonial activities ( plundering, mining, cattle, plantations, trade, etc.

It was here that during 1935, the Regent, Reting Rinpoche, received a clear vision of three Tibetan letters and of a monastery with a jade-green and gold roof, and a house with turquoise roof tiles, which led to the discovery of Tenzin Gyatso, the 14th Dalai Lama.

The success of his discovery soon spread around Europe and for example was used en masse in the Spanish Balmis Expedition, a three year long mission to the Americas, Philippines, Macao, China, and Saint Helena Island led by Dr. Francisco Javier de Balmis with the aim of giving thousands the smallpox vaccine.

This discovery led to the well-known axiom: like-charged objects repel and opposite-charged objects attract.

This discovery led to less emphasis on learning the classics because they found that studying the classics does not contribute to overall general intelligence.

At the time, there were media reports about the discovery of two bombs, one at Manila airport and another at the venue for the leaders ' meeting ".

* 1995 – A chemical fire in an apartment complex in Manila, Philippines, leads to the discovery of plans for Project Bojinka, a mass-terrorist attack.

The first discovery and mention of an island in this area was made by a Spanish Manila Galleon captain, Captain Arriola in 1694.

When the premature discovery of the Katipunan in Manila forced Andres Bonifacio to take to the field of Balintawak and raise the flag of revolt, Cailles organized a force of the fathers of his own pupils.

The trade route was inaugurated in 1565 with the discovery of the ocean passage by Andrés de Urdaneta, and continued until 1815 when the Mexican War of Independence put a permanent stop to the galleon trade route.

They dominated trade and discovery along the coasts of Africa, and Asia until the mid 17th century.

In the 16th century, the Portuguese broke the monopoly of the Arabs and Italians of trade between Asia and Europe by the discovery of the sea route to India around the Cape of Good Hope.

One of the well known merchants, Hussain Ali Bin Saif Al-Roumi, was known as the leader in pearl trade throughout the region, sustaining the economy for decades before the discovery of oil.

There is further evidence of long-distance trade in period II: important as an indication of this is the discovery of several beads of lapis lazuli — originally from Badakshan.

Dutch explorers, sailing around southern Africa, also engaged in discovery and trade ; Abel Janszoon Tasman discovered Tasmania and New Zealand in 1642.

The most important discovery prior to the European spice trade were the monsoon winds ( 40 CE ).

By the end of the 15th century, the discovery of a sea route from Europe to the Far East ended the need for an overland trade route through Syria.

The discovery of oil allowed the UAE to increase and diversify its trade relations with India.

Following the Spanish discovery of great silver deposits at Potosí in Bolivia and in Mexico during the 16th century, international trade came to depend on coins such as the Spanish dollar, Maria Theresa thaler, and, in the 1870s, the United States Trade dollar.

The knowledge of wind patterns and currents, the trade winds and the oceanic gyres in the Atlantic, and the determination of latitude led to the discovery of the best ocean route back from Africa: crossing the Central Atlantic to the latitude of the Azores, using the permanent favorable winds and currents that spin clockwise in the Northern Hemisphere because of atmospheric circulation and the effect of Coriolis, facilitating the way to Lisbon and thus enabling the Portuguese venturing increasingly farther from shore, the maneuver that became known as the " volta do mar " ().

The discovery of the passage around southern Africa was significant because, for the first time, Europeans realized they could trade directly with India and the other parts of Asia, bypassing the overland route through the Middle East, with its expensive middlemen.

For much of the Middle Ages, the Islamic Caliphate ( centred in the Near East ) often had a monopoly over much of the trade conducted across the Old World ( see Muslim age of discovery for more details ).

The discovery of the gold fields near the modern Klagenfurt in 130 BC brought it into notice, and it soon became a place of importance, not only owing to its strategic position, but as a centre of trade, especially in agricultural products and viticulture.

This is not a far-fetched possibility given North Korea ’ s past actions, including cooperation with Iran in the ballistic missiles trade, the 2007 discovery of a North Korean ship bound for Syria with sensitive nuclear materials, and prior participation in the A. Q.

Captain Gray's discovery of the Columbia opened trade between Europeans and Chinook Indians who lived along the lower Columbia between the Cascade region and the river's mouth.

European nations, through voyages of discovery, were looking for new trade routes in the 15th and 16th centuries, which allowed the European powers to build vast, new international trade networks.

In antiquity, Surrentum was famous for its wine ( oranges and lemons which are now widely cultivated there were not yet introduced in Italy in antiquity ), its fish, and its red Campanian vases ; the discovery of coins of Massilia, Gaul, and the Balearic Islands here indicates the extensive trade which it carried on.

This discovery also shows that important trade networks were set up much earlier than previously thought.

The crucial discovery was a way to reorganize connections in the middle switches to " trade wires " so that a new connection could be completed.

" Its effect was offset somewhat by the introduction of a silver trade dollar for use in the Orient, and by the discovery of new silver deposits at Virginia City, Nevada, resulting in new investment in mining activity.

With the establishment of new trade routes following the discovery of the New World ( 16th century ) and the outbreak and consequences of the Thirty Years ' War ( 1618 – 48 ), the city began to decline gradually.

If volumes in such warrants are high, the price discovery process will be that much better ; for it would mean that many investors believe that the stock will trade at that level in one year.

Market and consumer trends, company's R & D department, competitors, focus groups, employees, salespeople, corporate spies, trade shows, or ethnographic discovery methods ( searching for user patterns and habits ) may also be used to get an insight into new product lines or product features.