Pacific Science Center

Bringing science to life.

Calendar Of Science – June

Every month, Pacific Science Center publishes a Calendar of Science, a compendium of science facts to add a little knowledge to your daily routine. Read on and discover a few things you may not have known. If you would like to receive a daily dose of science, subscribe to Calendar of Science on Twitter. Have a comment or question? Please drop us a line. Remember, life’s boring without discovery.


June 1, 1947: The development of photosensitive glass was announced publicly in Corning, N.Y.
June 2, 1896: The first radio patent was filed by Guglielmo Marconi in England for his wireless telegraphy apparatus.
June 3, 1880: Alexander Graham Bell transmitted the first wireless telephone message on his newly-invented photophone.
June 4, 1984: Scientists cloned the DNA of the quagga — an extinct horse-like striped animal-extracted from a 140-year-old skin.
June 5, 1977: The first personal computer, the Apple II, invented by Steve Wozniak and Steve Jobs, went on sale.
June 6, 1899: Thomas A. Edison was issued a patent for his “Filament for Incandescent Lamps, and Process of Manufacturing Same.”
June 7, 1980: The first U.S. government solar power plant was dedicated at Natural Bridge National Monument, Utah.
June 8, 1940: The discovery of element 93, neptunium (Np) was announced by Edwin M. McMillan and Philip H. Abelson.
June 9, 1905: Albert Einstein published his analysis of Max Planck’s quantum theory and its application to light.
June 10, 1955: The first report of the separation of tobacco  virus into its component parts was made in the U.S.
June 11, 1644: Evangelista Torricelli demonstrated the principles of the mercury barometer.
June 12, 1965: The discovery of blue galaxies was announced which supports the Big Bang theory of the creation of the universe.
June 13, 1933: The first sodium-vapor lamps were installed in a test run on Balltown in New York.
June 14, 1972: An end to the continued domestic usage of the pesticide was decreed by Environmental Protection Agency.
June 15, 1844: Charles Spencer Goodyear received U.S. Patent for vulcanization, a rubber-curing process.
June 16, 1657: The first pendulum clock was patented by its inventor, Christiaan Huygens.
June 17, 1920: Birthday: François Jacob, who together with Jacques Monod, showed how production of protiens from DNA is regulated.
June 18, 1981: The first genetically engineered vaccine was announced to prevent hoof and mouth disease using gene splicing.
June 19, 1963: Valentina Tereshkova returned to Earth after spending nearly three days as the first woman in space.
June 20, 1840: Samuel F.B. Morse received a U.S. patent for his dot-dash telegraphy signals, known to the world as Morse code.
June 21, 1948: The first stored-program computer, the Small-Scale Experimental Machine, ran its first program written by Tom Kilburn.
June 22, 1978: The first moon of Pluto, Charon, was discovered by astronomer James W. Christy at the US Naval Observatory.
June 23, 1964: U.S. patent issued to Jack S. Kilby for his invention of “Miniaturized Electronic Circuits” now known as integrated circuits.
June 24, 1927: Birthday: Martin Lewis Perl who discovered a subatomic particle, the tau, a massive lepton with a negative charge.
June 25, 1924: Tuberculosis vaccine was developed by Prof Albert Calmette and Alphonse Guerin.
June 26, 2000: The completion of a working draft reference DNA sequence of the human genome was announced.
June 27, 1978: Seasat, an experimental U.S. ocean surveillance satellite was launched.
June 28, 1886: Discovery of fluorine gas by Henri Moissan was announced at the Paris Academy of Science.
June 29, 1994: The first nearly-complete fossil of a pygmy mammoth skeleton was found on Santa Rosa Island.
June 30, 1948: The transistor was demonstrated by its inventors, John Bardeen & Walter Brattain, scientists at Bell Telephone Laboratory.

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