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.

Since the later discovery of the electron, an easier to remember, and more durably correct technically although historically false, etymology has been suggested: anode, from the Greek anodos, ' way up ', ' the way ( up ) out of the cell ( or other device ) for electrons '.

Since the discovery of his " Letter to the Alexandrians " in the last century, much work has been done to rehabilitate Claudius and determine where the truth lies.

Since the later discovery of the electron, an easier to remember, and more durably technically correct ( although historically false ), etymology has been suggested: cathode, from the Greek kathodos, ' way down ', ' the way ( down ) into the cell ( or other device ) for electrons '.

Since the discovery of fullerenes in 1985, structural variations on fullerenes have evolved well beyond the individual clusters themselves.

Since the discovery of potassium by Humphry Davy, it had been assumed that alumina, the basis of clay, contained a metal in combination with oxygen.

Since the discovery of the original longships in the 1800s many boat builders have built many replicas.

Since the fruit of the poisonous tree doctrine does not apply to Miranda violations, the exclusionary rule exceptions, attenuation, independent source and inevitable discovery, do not come into play.

Since the discovery of penicillin in 1928, antibiotics have been used to fight bacterial diseases.

Since the discovery of Newton's law of universal gravitation in the 17th century, the stability of the Solar System has preoccupied many mathematicians, starting with Laplace.

Since the object of scientific research is the discovery of new phenomena, this bias can and has caused new discoveries to be overlooked.

Since the original discovery by Dan Shechtman, hundreds of quasicrystals have been reported and confirmed.

Since its discovery, it has given names like radium A and radium C < sub > 2 </ sub > to several isotopes of other elements that are decay products of radium-226.

Since the discovery of superconductivity, great efforts have been devoted to finding out how and why it works.

Since its discovery, study of the Codex Sinaiticus has proven to be extremely useful to scholars for the purposes of biblical translation.

Since the discovery happened several millennia before the invention of writing, there is no written record about how it was made.

Since its discovery, there have been many searches in terrestrial materials for natural sources of technetium.

Since the vacuum offered no medium for an electric fluid to travel, this discovery could only be explained via a particle carrying a negative charge and moving through the vacuum.

Since this discovery is fairly new, little research has been done.

Since the 1970s, however, courts have held plaintiffs to higher standards, giving antitrust defendants an opportunity to resolve cases in their favor before significant discovery.

Since its discovery, a wide range of horticultural varieties have been selected, especially in Europe.

Since 2002, a tremendous amount of activity by Filipino scientists has resulted in the discovery and naming several new species of Rafflesia.

Since the Nobel Prize rules forbid nominations of the deceased, longevity is an asset, one prize being awarded as long as 50 years after the discovery.

Since the European exploration of the world, the " discovery " of every continent, island, and geographical feature, for the European traveler, led to the notion that the native people were " discovered " ( though many were there centuries or even millennia before ).

Since the discovery of the Sweet Track, it has been determined that it was built along the route of an even earlier track, the Post Track, dating from 3838 BC and so 30 years older.

Since the 1990s, alternative timelines have been produced and developed, including the Future Century, After Colony, After War, Correct Century, Cosmic Era, Anno Domini and Advanced Generation timelines.

Since the victory of Law or Chaos would cause the Multiverse either to become permanently static or totally formless, the Cosmic Balance enforces certain limits which the powers of Law and Chaos violate at their peril.

Since the first observation, by the University of Utah's Fly's Eye Cosmic Ray Detector, at least fifteen similar events have been recorded, confirming the phenomenon.

Since the 1970s and 1980s board games and table top role playing games such as Cosmic Encounter or Dungeons & Dragons have featured intentional emergence as a primary game function by supplying players with relatively simple rules or frameworks for play that intentionally encouraged them to explore creative strategies or interactions and exploit them toward victory or goal achievement.

Since then, many millions of cavity magnetrons have been manufactured ; while some have been for radar the vast majority have been for microwave ovens.

Since the 1980s, versions for use at microwave frequencies have been made with patch antenna elements mounted in front of a metal surface.

Since 1978 Microwave sounding units ( MSUs ) on National Oceanic and Atmospheric Administration polar orbiting satellites have measured the intensity of upwelling microwave radiation from atmospheric oxygen, which is proportional to the temperature of broad vertical layers of the atmosphere.

Since 1979, microwave sounding units ( MSUs ) on NOAA polar orbiting satellites have measured the intensity of upwelling microwave radiation from atmospheric oxygen.

Since the size of a directional antenna depends on it being large compared to the wavelength, very directional antennas of this sort are mainly feasible at UHF and microwave frequencies.

Since then they have steadily grown in popularity with the increased ownership of home freezers and microwave ovens.

Since large helices are difficult to build and unwieldy to steer and aim, the design is commonly employed only at higher frequencies, ranging from VHF up to microwave.

Since 1968 CBN was able to access the Postmaster General's microwave link for national news and other major events.

Since then, Pop-Tarts carry the warning: " Due to possible risk of fire, never leave your toasting appliance or microwave unattended.

Since 1989 Christy, along with Roy Spencer, has maintained an atmospheric temperature record derived from satellite microwave sounding unit measurements, commonly called the " UAH " record ( see also satellite temperature record ).

Since the formation of the unified company, over € 130M has been spent on network infrastructure, including providing fibre and microwave links between regions.

Since 1999, C Spire has invested more than US $ 700 million in its wireless network, including constructing 1, 403 cell sites, a high-speed wireless broadband network and a permanent microwave ring for redundancy across the Gulf Coast region.

This fixed relationship is useful for measuring radio frequency or microwave ( electromagnetic ) fields. Since power is the rate of energy transfer, and the squares of E and H are proportional to power, E < sup > 2 </ sup > and H < sup > 2 </ sup > are proportional to the energy transfer rate and the energy absorption of a given material.