summershort

Events

Democritus

492 BCE

concept of atoms

Archimedes

3 bc

pulley and levers

Galileo

1610

first ever telescope

Pascal

1642

invented Calculator

Boyle

1660

compressibility of gas

Newton

1687

discovery of gravity

Charles

1787

Thermal expansion of gas

Dalton

1803

Modern atomic theory

Dobereiner

1817

the three groups of the periodic table

Faraday

1831

Electromagnetic induction

Joule

1847

conversation of energy

Newland

1864

Created the periodic table

Mendeleev

1869

Discovery of aluminium

Becquerel

1897

co-discovers radioactivity

Thomson

1897

Discovery of electron

Curie's

1898

discovery of the elements radium and polonum

Einsteins

1905

special theory of relativity

Rutherford

1908

atomic struture

Bohr

1912

Discovery of nucleus

Moseley

1913

every element is determine by the number of proton

Millikan

1913

Measurement of electron charge

Chadwick

1931

discovery of beryllium