1900 in science

List of years in science (Table)
… 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 …
Related time period or subjects
… 1897 1898 1899 1900 1901 1902 1903 … … 1870s 1880s 1890s 1900s 1910s 1920s 1930s … … 18th century 19th century 20th century …
Art Archaeology Architecture Literature Music Science more

The year 1900 in science and technology involved some significant events, listed below.

Aeronautics

July 2 - The first airship flight is made by the LZ1 designed by Ferdinand von Zeppelin.

Richard Dixon Oldham distinguishes between primary, secondary and tertiary waveforms as recorded by seismometers.^[1]

David Hilbert states his list of 23 problems which show where some further mathematical work is needed.

April 26 - Guglielmo Marconi patents the tuned circuit.
December 7 - Max Planck states his quantum hypothesis and law of black body radiation, marking the birth of quantum physics.
December 23 - Reginald Fessenden, experimenting with a high-frequency spark transmitter, successfully transmits speech over a distance of about 1.6 kilometers (one mile), from Cobb Island, Maryland, which appears to have been the first audio radio transmission.
Gamma rays discovered by Paul Villard while studying uranium decay.

^ Grout, Andrew (2004). "Oldham, Richard Dixon (1858–1936)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/37820. http://www.oxforddnb.com/view/article/37820. Retrieved 2011-10-20. Subscription or UK public library membership required
^ Landsteiner, K. (1900). "Zur Kenntnis der antifermentativen, lytischen und agglutinierenden Wirkungen des Blutserums und der Lymphe". Zentralblatt für Bakteriologie 27: 357–62.