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400
Democritus discovered atomic theory in 400 BCE
In 400 BCE Democritus discovered his atomic theory. He predicted that everything is made of atoms and everything in between is empty space -
460
Democritus was born 460 BCE
Democritus was born in 460 BCE. -
Robert Boyle was born Jan 25, 1627
Robert Boyle was born Jan 25, 1627 -
Hennig Brand is born in 1630
Hennig Brand is born in 1630 -
Hennig Brand makes discovery
Hennig Brand was originally trying to find an easy way to make gold. To do this he would condense horse urine. Although he didnt find gold he discovered the first glowing element, phosporus. -
Robert Boyle makes discoveries
obert Boyle came up with a theory that is now referred to as Boyle's Law. Boyle's Law states that the amount of space gas takes up decreases as pressure is applied. Boyle also showed that air has mass and gasses exert pressure against the things containing them. -
Antoine Lavosier is born in 1743
Antoine Lavosier is born in 1743 -
John Dalton is born in 1766
John Dalton is born in 1766 -
Antoine Lavoisier makes his discovery
In 1778 Antoine Lavoisier discovered oxygen and in 1783 hydrogen. These are 2 of the most well known elements on the periodic table. -
Michael Faraday is born in 1791
Michael Faraday is born in 1791 -
John Dalton makes his discovery
John Dalton makes the first atomic model and discovers colour blindness. He thought atoms were the smallest possible thing but was later proven wrong. -
Michael Faraday makes his discovery
Michael Faraday worked with electricity and was the first person to discover an electric motor. -
Dmitri Mendeleev is born in 1834
Dmitri Mendeleev is born in 1834 -
JJ Thomson is born in 1856
JJ Thomson is born in 1856 -
Marie Curie is born in 1867
Marie Curie is born in 1867 -
Dmitri Mendeleev makes his discovery
Dmitri Mendelev Creates the periodic table of elements. -
Ernest Rutherford is born in 1871
Ernest Rutherford is born in 1871 -
Niels Bohr is born in 1885
Niels Bohr is born in 1885 -
JJ Thomson Makes his discovery
J. J. Thomson discovered electrons through his cathode ray experiments. Thomson made these cathode rays by firing electrical currents through glass pipes filled with low-density gas. -
Marie Curie makes discovery
Marie Curie is famous for discovering the element Radium. She also discovered polonium -
Ernest Rutherford makes his discovery
Ernest Rutherfords gold foil experiment led to his discovery of the positively charged nucleus at the center of an atom. -
Niels Bohr makes his discovery
Niels Bohr discovered that electrons in atoms are arranged according to the energy levels. -
Aristotle is born in 384 BCE and makes discovery
Aristotle is born in 384 BCE. Aristotle made his discovery of the first philosophy. He made many theories but many of them were wrong none of his theories have dates.
