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History of Physics and Astronomy


This version sorts the important events by name. The lifetimes of people are highlighted in blue, important people are in bold blue.

H

H bomb Edward Teller USA 1952
H bomb - USSR 1953
H bomb USA trawler Lucky Dragon 1954
Hahn 1879-1968
Haidinger fringes 1849
Half wave plate - Laurent 1874
Halley's comet observed Johannes Regiomontanus 1472
Halley 1656-1742
Halley's comet predicts return 1705
Halley's comet returns 1910
Hampson and Linde process 1895
Harrison (grid iron pendulum)1693-1776
Heat death of the universe - Hermann von Helmholtz 1854
Heisenberg Nobel prize for Physics 1932
Helicopter deign Leonardo da Vinci 1510
Helium name for the new element 1871
Helium identified and named in the Sun's spectrum - Joseph Lockyer 1868
Helium lines observed in the Sun's spectrum - Pierre-Jules Janssen 1868
Helium discovered in solar spectrum Lockyer (?1868)1878
Helium isolated 1895
Helium liquefied Kammerlingh Onnes 0.7K 1908
Helium solidified Keesom 1926
Helmholtz 1821-1894
Henry 1799- 1878
Herchel's 49" reflector completed 1789
Hero of Alexandria 200 BC
Herschel 1738-1822
Herstmonceux 98" reflector completed 1966
Herstmonceux 98" reflector opened 1967
Hertz 1857-1894
Hertzsprung-Russel diagram finalised 1913
High temperature superconductivity Bednorz and Mueller 1986
High voltage generator Cockcroft and Walton 1932
Hiroshima nuclear bomb 1945
Holography Gabor 1949
Holograms first successful ones produced 1963
Hooke 1635-1703
Hooke's law published 1676
Hope's apparatus liquid expansion 1804
Horse power as a unit of power - Watt 1785
Hot air balloon - Montgolfier 1783
Hovercraft first model version 1956
Hubble 1889-1953
Hubble's Law 1929
Hubble Space telescope launched 1990
Hubble Space telescope repaired 1993
Huggins 1824- 1910
Human race appears 100 000 BC
Hunterston nuclear power station opened 1964
Huygens' principle 1665
Huyghens 1629-1695
Huyghens probe launched from Cassini space craft lands safely on Titan 2005
Hydrogen isolation by Cavendish 1766
Hydrogen observed in the sun - Anders Angstrom 1862
Hydrogen liquefied - Dewar 1898
Hydrogen solidified - Dewar 1899
 
 
 
© Keith Gibbs 2007