1934 in science
Encyclopedia
The year 1934 in science
Science
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe...

and technology
Technology
Technology is the making, usage, and knowledge of tools, machines, techniques, crafts, systems or methods of organization in order to solve a problem or perform a specific function. It can also refer to the collection of such tools, machinery, and procedures. The word technology comes ;...

 involved some significant events, listed below.

Astronomy

  • Richard Tolman shows that black-body radiation in an expanding universe cools but remains thermal.
  • Georges Lemaître
    Georges Lemaître
    Monsignor Georges Henri Joseph Édouard Lemaître was a Belgian priest, astronomer and professor of physics at the Catholic University of Louvain. He was the first person to propose the theory of the expansion of the Universe, widely misattributed to Edwin Hubble...

     interprets the cosmological constant
    Cosmological constant
    In physical cosmology, the cosmological constant was proposed by Albert Einstein as a modification of his original theory of general relativity to achieve a stationary universe...

     as due to a vacuum energy
    Vacuum energy
    Vacuum energy is an underlying background energy that exists in space even when the space is devoid of matter . The concept of vacuum energy has been deduced from the concept of virtual particles, which is itself derived from the energy-time uncertainty principle...

     with an unusual perfect fluid equation of state
    Equation of state
    In physics and thermodynamics, an equation of state is a relation between state variables. More specifically, an equation of state is a thermodynamic equation describing the state of matter under a given set of physical conditions...

    .

Chemistry

  • The Mulliken scale of chemical element
    Chemical element
    A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus. Familiar examples of elements include carbon, oxygen, aluminum, iron, copper, gold, mercury, and lead.As of November 2011, 118 elements...

     electronegativity
    Electronegativity
    Electronegativity, symbol χ , is a chemical property that describes the tendency of an atom or a functional group to attract electrons towards itself. An atom's electronegativity is affected by both its atomic number and the distance that its valence electrons reside from the charged nucleus...

     is developed by Robert S. Mulliken
    Robert S. Mulliken
    Robert Sanderson Mulliken was an American physicist and chemist, primarily responsible for the early development of molecular orbital theory, i.e. the elaboration of the molecular orbital method of computing the structure of molecules. Dr. Mulliken received the Nobel Prize for chemistry in 1966...

    .

History of science

  • Lewis Mumford
    Lewis Mumford
    Lewis Mumford was an American historian, philosopher of technology, and influential literary critic. Particularly noted for his study of cities and urban architecture, he had a broad career as a writer...

     publishes Technics and Civilization
    Technics and Civilization
    Technics and Civilization, written by Lewis Mumford in the 1930s , gives the history of technology and its interplay in shaping and being shaped by civilizations. According to Mumford, modern technology has its roots in the Middle Ages rather than in the Industrial Revolution...

    .
  • The Iron Bridge
    The Iron Bridge
    The Iron Bridge crosses the River Severn at the Ironbridge Gorge, by the village of Ironbridge, in Shropshire, England. It was the first arch bridge in the world to be made out of cast iron, a material which was previously far too expensive to use for large structures...

     in Shropshire
    Shropshire
    Shropshire is a county in the West Midlands region of England. For Eurostat purposes, the county is a NUTS 3 region and is one of four counties or unitary districts that comprise the "Shropshire and Staffordshire" NUTS 2 region. It borders Wales to the west...

    , dating from the Industrial Revolution
    Industrial Revolution
    The Industrial Revolution was a period from the 18th to the 19th century where major changes in agriculture, manufacturing, mining, transportation, and technology had a profound effect on the social, economic and cultural conditions of the times...

     period, becomes an officially scheduled monument in England
    England
    England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

    .

Medicine

  • Outbreak of "atypical poliomyelitis", strongly resembling what would later be called chronic fatigue syndrome
    Chronic fatigue syndrome
    Chronic fatigue syndrome is the most common name used to designate a significantly debilitating medical disorder or group of disorders generally defined by persistent fatigue accompanied by other specific symptoms for a minimum of six months, not due to ongoing exertion, not substantially...

    , affects a large number of medical staff at the Los Angeles County Hospital
    Los Angeles County-USC Medical Center
    Los Angeles County+USC Medical Center, also known as County/USC, by the abbreviation LAC+USC, or by the name Los Angeles County General, is a 600-bed public teaching hospital located in the Boyle Heights neighborhood of Los Angeles, California...

    .

Technology

  • The 135 film
    135 film
    The term 135 was introduced by Kodak in 1934 as a designation for cartridge film wide, specifically for still photography. It quickly grew in popularity, surpassing 120 film by the late 1960s to become the most popular photographic film format...

     cartridge is introduced in Germany and the United States with the Kodak Retina camera, making 35mm film easy to use.

Other events

  • Samuel C. Bradford proposes Bradford's law
    Bradford's law
    Bradford's law is a pattern first described by Samuel C. Bradford in 1934 that estimates the exponentially diminishing returns of extending a search for references in science journals...

     of scattering, an example of Pareto distribution applicable in the bibliometrics
    Bibliometrics
    Bibliometrics is a set of methods to quantitatively analyze scientific and technological literature. Citation analysis and content analysis are commonly used bibliometric methods...

     of scientific literature and beyond.
  • Karl Popper
    Karl Popper
    Sir Karl Raimund Popper, CH FRS FBA was an Austro-British philosopher and a professor at the London School of Economics...

     publishes Logik der Forschung
    The Logic of Scientific Discovery
    The Logic of Scientific Discovery is a 1934 book by Karl Popper. It was originally written in German and titled Logik der Forschung. Then Popper reformulated his book in English and republished it in 1959. This forms the rare case of a major work to appear in two languages, both written and one...

    .

Awards

  • Nobel Prize
    Nobel Prize
    The Nobel Prizes are annual international awards bestowed by Scandinavian committees in recognition of cultural and scientific advances. The will of the Swedish chemist Alfred Nobel, the inventor of dynamite, established the prizes in 1895...

    • Physics
      Nobel Prize in Physics
      The Nobel Prize in Physics is awarded once a year by the Royal Swedish Academy of Sciences. It is one of the five Nobel Prizes established by the will of Alfred Nobel in 1895 and awarded since 1901; the others are the Nobel Prize in Chemistry, Nobel Prize in Literature, Nobel Peace Prize, and...

      : not awarded
    • Chemistry
      Nobel Prize in Chemistry
      The Nobel Prize in Chemistry is awarded annually by the Royal Swedish Academy of Sciences to scientists in the various fields of chemistry. It is one of the five Nobel Prizes established by the will of Alfred Nobel in 1895, awarded for outstanding contributions in chemistry, physics, literature,...

      : Harold Clayton Urey
    • Physiology or Medicine
      Nobel Prize in Physiology or Medicine
      The Nobel Prize in Physiology or Medicine administered by the Nobel Foundation, is awarded once a year for outstanding discoveries in the field of life science and medicine. It is one of five Nobel Prizes established in 1895 by Swedish chemist Alfred Nobel, the inventor of dynamite, in his will...

      : George Hoyt Whipple, George Richards Minot, William Parry Murphy

Births

  • March 5 - Daniel Kahneman
    Daniel Kahneman
    Daniel Kahneman is an Israeli-American psychologist and Nobel laureate. He is notable for his work on the psychology of judgment and decision-making, behavioral economics and hedonic psychology....

    , psychologist
    Psychologist
    Psychologist is a professional or academic title used by individuals who are either:* Clinical professionals who work with patients in a variety of therapeutic contexts .* Scientists conducting psychological research or teaching psychology in a college...

    , winner of the Nobel Memorial Prize in Economic Sciences
    Nobel Memorial Prize in Economic Sciences
    The Nobel Memorial Prize in Economic Sciences, commonly referred to as the Nobel Prize in Economics, but officially the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel , is an award for outstanding contributions to the field of economics, generally regarded as one of the...

    .
  • March 9 - Yuri Gagarin
    Yuri Gagarin
    Yuri Alekseyevich Gagarin was a Soviet pilot and cosmonaut. He was the first human to journey into outer space, when his Vostok spacecraft completed an orbit of the Earth on April 12, 1961....

     (d. 1968
    1968 in science
    The year 1968 in science and technology involved some significant events, listed below.-Astronomy:* Neutron stars; Thomas Gold explains the recently discovered radio pulsars as rapidly rotating neutron stars and subsequent observations confirm the suggestion.-Medicine:* January 2 - Dr...

    ), cosmonaut
    Astronaut
    An astronaut or cosmonaut is a person trained by a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft....

    , the first man in space
    Outer space
    Outer space is the void that exists between celestial bodies, including the Earth. It is not completely empty, but consists of a hard vacuum containing a low density of particles: predominantly a plasma of hydrogen and helium, as well as electromagnetic radiation, magnetic fields, and neutrinos....

    .
  • March 31 - Carlo Rubbia
    Carlo Rubbia
    Carlo Rubbia Knight Grand Cross is an Italian particle physicist and inventor who shared the Nobel Prize in Physics in 1984 with Simon van der Meer for work leading to the discovery of the W and Z particles at CERN.-Biography:...

    , winner of the Nobel Prize in Physics
    Nobel Prize in Physics
    The Nobel Prize in Physics is awarded once a year by the Royal Swedish Academy of Sciences. It is one of the five Nobel Prizes established by the will of Alfred Nobel in 1895 and awarded since 1901; the others are the Nobel Prize in Chemistry, Nobel Prize in Literature, Nobel Peace Prize, and...

    .
  • April 3 - Jane Goodall
    Jane Goodall
    Dame Jane Morris Goodall, DBE , is a British primatologist, ethologist, anthropologist, and UN Messenger of Peace. Considered to be the world's foremost expert on chimpanzees, Goodall is best known for her 45-year study of social and family interactions of wild chimpanzees in Gombe Stream National...

    , primatologist
    Primatology
    Primatology is the scientific study of primates. It is a diverse discipline and researchers can be found in academic departments of anatomy, anthropology, biology, medicine, psychology, veterinary sciences and zoology, as well as in animal sanctuaries, biomedical research facilities, museums and zoos...

    .
  • November 9 - Carl Sagan
    Carl Sagan
    Carl Edward Sagan was an American astronomer, astrophysicist, cosmologist, author, science popularizer and science communicator in astronomy and natural sciences. He published more than 600 scientific papers and articles and was author, co-author or editor of more than 20 books...

     (d. 1996
    1996 in science
    The year 1996 in science and technology involved many significant events, listed below.-Astronomy and space exploration:* January 30 – Comet Hyakutake is discovered.* February 17 – NEAR Shoemaker spacecraft launched...

    ), astronomer
    Astronomer
    An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

    .

Deaths

  • January 29 - Fritz Haber
    Fritz Haber
    Fritz Haber was a German chemist, who received the Nobel Prize in Chemistry in 1918 for his development for synthesizing ammonia, important for fertilizers and explosives. Haber, along with Max Born, proposed the Born–Haber cycle as a method for evaluating the lattice energy of an ionic solid...

     (b. 1868
    1868 in science
    The year 1868 in science and technology involved some significant events, listed below.-Biology:* Jules-Emile Planchon and colleagues propose Phylloxera as the cause of the Great French Wine Blight....

    ), chemist
    Chemist
    A chemist is a scientist trained in the study of chemistry. Chemists study the composition of matter and its properties such as density and acidity. Chemists carefully describe the properties they study in terms of quantities, with detail on the level of molecules and their component atoms...

    .
  • July 4 - Marie Curie
    Marie Curie
    Marie Skłodowska-Curie was a physicist and chemist famous for her pioneering research on radioactivity. She was the first person honored with two Nobel Prizes—in physics and chemistry...

     (b. 1867
    1867 in science
    The year 1867 in science and technology involved many significant events, listed below.-Events:* April - First clear recorded usage of the word science in English with its modern usage as restricted to the natural and physical sciences The year 1867 in science and technology involved many...

    ), physicist
    Physicist
    A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

    .
  • October 17 - Santiago Ramón y Cajal
    Santiago Ramón y Cajal
    Santiago Ramón y Cajal ForMemRS was a Spanish pathologist, histologist, neuroscientist, and Nobel laureate. His pioneering investigations of the microscopic structure of the brain were original: he is considered by many to be the father of modern neuroscience...

     (b. 1852
    1852 in science
    The year 1852 in science and technology involved some significant events, listed below.-Aeronautics:* September 24 - French engineer Henri Giffard makes the first airship trip, from Paris to Trappes.-Medicine:...

    ), winner of the Nobel Prize in Physiology or Medicine
    Nobel Prize in Physiology or Medicine
    The Nobel Prize in Physiology or Medicine administered by the Nobel Foundation, is awarded once a year for outstanding discoveries in the field of life science and medicine. It is one of five Nobel Prizes established in 1895 by Swedish chemist Alfred Nobel, the inventor of dynamite, in his will...

    .
  • November 20 - Willem de Sitter
    Willem de Sitter
    Willem de Sitter was a Dutch mathematician, physicist and astronomer.-Life and work:Born in Sneek, De Sitter studied mathematics at the University of Groningen and then joined the Groningen astronomical laboratory. He worked at the Cape Observatory in South Africa...

     (b. 1872
    1872 in science
    The year 1872 in science and technology involved some significant events, listed below.-Conservation:* March 1 - Yellowstone National Park is established in the United States, the world's first national park.-Mathematics:...

    ), mathematician
    Mathematician
    A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....

    , physicist
    Physicist
    A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

     and astronomer
    Astronomer
    An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

    .
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