The modern theory of antimatter began in 1928, with a paper by Paul Dirac.

In 1928 he first presented a paper at the International Congress of Americanists in which he presented his translation of a Nahuatl document held at the Peabody Museum at Harvard.

Ralph Hartley's 1928 paper, Transmission of Information, uses the word information as a measurable quantity, reflecting the receiver's ability to distinguish one sequence of symbols from any other, thus quantifying information as, where S was the number of possible symbols, and n the number of symbols in a transmission.

In 1917, Albert Einstein established the theoretical foundations for the laser and the maser in the paper Zur Quantentheorie der Strahlung ( On the Quantum Theory of Radiation ); via a re-derivation of Max Planck ’ s law of radiation, conceptually based upon probability coefficients ( Einstein coefficients ) for the absorption, spontaneous emission, and stimulated emission of electromagnetic radiation ; in 1928, Rudolf W. Ladenburg confirmed the existences of the phenomena of stimulated emission and negative absorption ; in 1939, Valentin A. Fabrikant predicted the use of stimulated emission to amplify “ short ” waves ; in 1947, Willis E. Lamb and R. C. Retherford found apparent stimulated emission in hydrogen spectra and effected the first demonstration of stimulated emission ; in 1950, Alfred Kastler ( Nobel Prize for Physics 1966 ) proposed the method of optical pumping, experimentally confirmed, two years later, by Brossel, Kastler, and Winter.

Nyquist's famous 1928 paper was a study on how many pulses ( code elements ) could be transmitted per second, and recovered, through a channel of limited bandwidth.

In 1927, at 29 years of age, working at an agricultural experiment station in Azerbaijan, he embarked on the research that would lead to his 1928 paper on vernalization, which drew wide attention due to its practical consequences for Soviet agriculture.

In Spanish Dancer ( 1928 ) he combines a cork, a feather and a hatpin onto a blank sheet of paper.

After falling ill in 1925, Strachey finally sold his controlling interest in the paper to his business manager, Sir Evelyn Wrench, and retired, dying two years later in 1928.

Nyquist published his results in 1928 as part of his paper " Certain topics in Telegraph Transmission Theory.

( From 1928, through the mid 1940s, The Mallet was printed in the Proctor Journal and not as an independent paper.

In 1928, the Université de Montréal insisted that Groulx sign a paper saying that he would respect Confederation and English-Canadian sensibilities as a condition of receiving a respectable salary for his teaching work.

A fourth paper, the Dodsonville Messenger, was printed from 1928 until 1930.

His first paper, published in 1928, was written when he was an undergraduate and coauthored by Giovanni Gentile Jr., a junior professor in the Institute of Physics in Rome.

In a paper presented to the 1st International Congress of Linguists in 1928, Trubetzkoy defined a Sprachbund as a group of languages with similarities in syntax, morphological structure, cultural vocabulary and sound systems, but without systematic sound correspondences, shared basic morphology or shared basic vocabulary.

Relevance logic was proposed in 1928 by Soviet ( Russian ) philosopher Ivan E. Orlov ( 1886 – circa 1936 ) in his strictly mathematical paper " The Logic of Compatibility of Propositions " published in Matematicheskii Sbornik.

The Norwegian fish hook manufacturer O. Mustad & Søn AS of Gjøvik has produced Gem-type paper clips since 1928.

The paper was a significant participant in the activities of the International Ladies ' Garment Workers ' Union ; Benjamin Schlesinger, a former president of the ILGWU, became the General Manager of the paper in 1923, then returned to the Presidency of the union in 1928.

Inspired by Kiyoo Wadati's 1928 paper on shallow and deep earthquakes, Richter first used the scale in 1935 after developing it in collaboration with Beno Gutenberg ; both worked at California Institute of Technology.

Ralph Hartley's 1928 paper, Transmission of Information, uses the word information as a measurable quantity, reflecting the receiver's ability to distinguish one sequence of symbols from any other.

There is also an older approach, based on a seminal paper by Nordheim in 1928, that formulates the problem differently and then uses first K < sub > p </ sub > and then ε < sub > n </ sub > ( or a related quantity ) as the variables of integration: this is known as " integrating via the normal-energy distribution ".

Juris Hartmanis ( born July 5, 1928 in Riga, Latvia ) is a prominent computer scientist and computational theorist who, with Richard E. Stearns, received the 1993 ACM Turing Award " in recognition of their seminal paper which established the foundations for the field of computational complexity theory ".

Rule continued editing the paper, later renamed the Knoxville Journal, until his own death in 1928.

The paper reappeared in 1928, after the Third Congress was held.

The John E. Mitchell Co. began work in Dallas in 1928.

As early as 1928, however, the Sloan style began to change.

A partial formalization of the concept began with attempts to solve the Entscheidungsproblem ( the " decision problem ") posed by David Hilbert in 1928.

This began in his doctoral work leading to the Mordell – Weil theorem ( 1928, and shortly applied in Siegel's theorem on integral points ).

He began studying the Nahuatl language in 1925, and later, beginning in 1928, he studied the collections of Maya hieroglyphic texts.

Asquith died in 1928 and the enigmatic figure of Lloyd George returned to the leadership and began a drive to produce coherent policies on many key issues of the day.

When filming began at the end of 1928, Chaplin had been working on the story for almost a year.

In 1928, construction of the Palomar Observatory began.

Since the KMT had completed the first step of revolution through seizure of power in 1928, Chiang's rule thus began a period of what his party considered to be " political tutelage " in Sun Yat-sen's name.

In 1928, Orwell began his career as a professional writer in Paris at a journal owned by the French Communist, Henri Barbusse.

Shearer's first marriage to writer John Ward was unhappy and she and Hawks began dating throughout 1927 until Shearer asked Ward for a divorce in 1928.

With all the main parties committed to the Union, new nationalist and independent political groupings began to emerge, including the National Party of Scotland in 1928 and Scottish Party in 1930.

Starting in 1928, but especially during the Great Depression, the government of King Zog, which brought law and order to the country, began to cede Albania's sovereignty to Italy.

Mamie ( 1840 – 1926 ) had been twenty-one years old and Sis ( 1848 – 1928 ) thirteen when the Civil War began.

Also in 1928, Paramount began releasing Inkwell Imps animated cartoons produced by Max and Dave Fleischer's Fleischer Studios in New York City.

On January 26, 1928, the National String Instrument Corporation was certified and, with its new factory located near a metal-stamping shop owned by Adolph Rickenbacher and staffed by some of the most experienced and competent craftsmen available, began to produce Spanish and Hawaiian style tri-cone guitars as well as four-string tenor guitars, mandolins and ukuleles.

Steiner immediately began work designing a second Goetheanum building – this time made of concrete instead of wood – which was completed in 1928, three years after his death.

The unraveling began, however, when Shinwari Pashtun tribesmen revolted in Jalalabad in November 1928.

Rudolf Lettner of Salzburg began marketing steel edges in 1928, enabling the ski to grip on hard snow ice.

Lehrer was born in 1928 to a Jewish family in the New York City borough of Manhattan, and began studying classical piano music at the age of seven.

He began work on the project in September 1928.

The Dictionary began to appear in print in 1884, but the first edition was not completed until 1928, 13 years after Murray's death, at a cost of around £ 375, 000.

By 1928, the similarity of van Meegeren ’ s paintings to those of the old masters began to draw the reproach of Dutch art critics, who were, at that time, more interested in the Cubist, Surrealist, and other movements.

However, when Deagan began marketing Schluter's instrument in 1928, they called it the vibraharp.