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Robert Boyle
Boyle was an Anglo-Irish natural philosopher, chemist, physicist, and inventor. Boyle is known for the Boyle's law, and as the first modern chemist. -
Benjamin Franklin
The lightening rod was invented by Benjamin Franklin in the year 1749. -
James Hargreaves
James Hargreaves invented the spinning jenny and is one of the key developments in the industrialisations of the textile manufacturing. -
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John Dalton
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Dalton
Dalton said that all matter was created by atoms. -
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William Crookes
William Crookes is best known for his invention of the Crookes tube, which was made in 1875. -
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Dmitri Mendeleev
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Samuel Morse
Morse invented the telegram machine in 1844. -
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Eugen Goldstein
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J.J. Thomson
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Confederation of Canada
Canada became a country, the dominion of Canada in 1867. -
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Robert Andrews Millikan
Robert Andrews Millikan was an American experimental physicist honored with the Nobel Prize for Physics in 1923 for the measurement of elementary electric charge, and for his work on the photoelectric effect. -
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Robert Andrews Millikan
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Mendeleev
Mendeleeve created the periodic table of elements which organizes elements according to their similarities at the year of 1869. -
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Ernest Rutherford
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Eugen Goldstein
Eugen Goldstein noticed that the particles had a charge equal and opposite to the electron -
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Niels Bohr
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James Chadwick
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J.J. Thomson
J.J. Thompson discovered the electron. -
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Werner Heisenberg
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Ernest Rutherford
Rutherford used the gold foil experiment to discover the modern model of an atom and concluded that all positive charges were centralized, while negative electrons circles around the nucleus. -
Millikan
He used an oil drop to determine the charge of a single electron. -
Niels Bohr
Bohr explained that the outer orbits in an atom could hold more electrons than the inner orbits. By knowing this, we can determine an atom's chemical properties. -
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World War I
World War I is a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. -
Heisenberg
Heisenberg thought of the uncertainty principal that stated "one can never know the exact location and energy of an electron simultaneously." -
Chadwick
Chadwick discovered that the neutron helps balance out protons in the nucleus of an atom. -
Ernest Lawrence
Lawrence invented the first particle accelerator inspired by the ideas of Norwegian engineer Rolf Widerøe. It is created at the University of California, Berkeley with another student, M. Stanley Livingston. -
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World War II
World War II, the biggest and the deadliest war in the history, is a world war involving 30 countries around the globe. It started at the year of 1939 by the Nazi invasion of Poland, and lasted for 6 years until the Allies defeated Nazi Germany and Japan in 1945. -
First atomic bomb
The first atomic bomb was built in Los Alamos, New Mexico during World War II under a program called the Manhattan Project. -
9/11 Attack
The 9/11 attack, is a series of four coordinated terrorist attacks by the Wahhabi Islamist terrorist group AI-Qaeda against the United States on the morning of Tuesday.