-
300
Aristotle
declares that there is only four elements fire, air, water, earth -
315
Alcohol
first alcoholic beverage was invented 3150 b.c in Egypt unknown who made it -
350
The Wheel
Created by the Greeks and was first used for the wheelbarrow in 3500 b.c. -
410
Democritus
Matter is composed of empty space through which atoms move -
Oct 5, 760
Boats
first thought to be made in 7600 bc from a hollowed out tree trunk boats are a huge part in today's society, they transport goods from all over the world -
Oct 5, 1000
Guns
First ever made was in 1000 A.D in china, they have changed a ton compared to the newest models. -
Cars
first steam powered vehicle that then revolutionized to the cars today was made in 1672 built by a in China -
Antonie Lavosier
noted for his discovery of the role oxygen plays in combustion -
Joseph Proust
discovery of the law of constant composition -
John Dalton
All matter is composed of extremely small particles called atoms -
Amadeo Avagadro
contributions to molecular theory, including what is known as Avogadro's law -
William Crookes
discovered the element Thallium -
Tractor
1892 John Froelich build first gas tractor, made it in Clayton Iowa. -
J.J. Thomson
Founded the atom and thought of the model you see with an atom -
Madame Curie
wrote a book about radioactivity in 1898 which one a nobel prize -
Ernest Rutherford
discovering two types that differed from X-rays in their penetrating power alpha and beta ray 1899 -
Tanks
Austrians made the first authentic tan changed modern warfare forever -
Henri Becquerel
discovered radioactivity -
Airplane
First true airplane was built by the Wright brothers in 1903 and in 1905 they could fly it longer than 1 mile -
Albert Einstein
theory of Relativity. Find out about gravity, relativity and Einstein's quantum description of light -
Henry Moseley
sorting chemical elements -
World War I
Austria Hungary pretty much started WW1, then a bunch of other countries joined. Took place in 1914 - 1918, 7 million died 9 million participated -
Max Planck
German theoretical physicist who originated quantum theory -
Erwin Schrodinger
formulated a wave equation -
Niels Bohr
made foundational contributions to understanding atomic structure and quantum theory -
Robert Millikan
measurement of the elementary electronic charge and for his work on the photoelectric effect. -
Louis deBroglie
postulated the wave nature of electrons and suggested that all matter has wave properties -
Werner Heisenberg
creation of quantum mechanics -
James Chadwick
Nobel Prize in Physics for his discovery of the neutron in 1932 -
World War II
The Natz’s pretty much started WW2, then a bunch of other countries joined 1939-1945
