1900 - Mendel founded the science of
Max Planck framed the Quantum Theory.
1901 - The first radio signal was transmitted
across the Atlantic.
1902 - Oliver Heaviside Ionosphere.
1903 - First journey of an Aeroplane.
1904 - The theory of Radioactivity was
1904 - The discovery of Radioactive
elements, Radium and Polonium.
1905 - The Theory of Radioactivity by
1908 - The Geiger counter is discovered
for measuring Nuclear Radiation.
Fordís Model T was the first car
to be built by Mass Production methods.
1911 - Ernest Rutherford discovers the
1912 - The launching of the first diesel
locomotive in Germany.
1913 - The orbiting Atomic theory is
1916 - The theory of Relativity is put
forward by Albert Einstein.
1920 - The chromosome theory of Heredity
is developed by Thomas H Morgan.
1928 - Alexander Fleming discovers Penicillin.
1930 - Frank Whittle patents the Jet
1932 - James Chadwick discovers Neutrons.
1934 - Artificial Radioactivity is discovered.
1937 - The first fully pressurized aircraft.
1939 - The discovery of Nuclear Fission.
1945 - University at Pennsylvania built
the first general- purpose fully electronic