-
247
The Compass
--This was made of lodestone which is a naturally-magnetized iron ore, the attractive properties of which they had been studying for centuries -
350
The Wheel
--Wheeled carts facilitated agriculture and commerce by endabling the transportation of goods to and from markets. -
460
Democritus
--Democritus is best known for his atomic theory.
--He died in 370 BC -
Jan 1, 1440
The Printing Press
--The printing press increased the speed on making copies of books. -
The Nail
--This became possible after humans developed the ability to cast and shape metal. -
English Civil War
--The English Civil War saw King Charles I battle Parliament. -
Antoine Lavoisier
--Lavoisier discovered elements, formulated a basic law of chemistry and helpted create the metric system.
--He died in may in 1794 -
Joseph Proust
--Proust is best known for helping prove the idea that every pure chemical compound consists of elements in a definite proportion.
--He died on July 5, 1826 -
John Dalton
--Dalton is best known for developing the acient concept of atoms into a scientific theory that has become a foundation of modern chemistry.
--He died on July 27, 1844 -
American Revolution
--It was the result of increasing colonial unhappiness with British rule. -
Amedeo Avogadro
--Avogadro is known for his hypothesis that equal volumes of different gases contain an equal number of molecules, provided they are at the same temperature and pressure.
--He died on August 9, 1776 -
William Crookes
--Crookes is best known for his discovery of the element thallium and for his cathode-ray studies, fundemental in the development of atomic physics.
--He died on April 4, 1919 -
Henri Becquerel
--Becquerel was best known for his work on radioactivity.
--He died on August 25, 1908 -
J.J. Thomson
--Thomson was a Nobel Prize winning physicist whose research led to the descovery of electrons.
--He died on August 30, 1940 -
Max Planck
--Planck is considered to be the initial founder of quantum theory.
--He died on October 4, 1947
--Video URL: https://www.youtube.com/watch?v=R9sMxEnbha0 -
The Internal Combustion Engine
--the combustion of a fuel releases a high-temperature gas which, as it expands, applies a force to a piston, moving it -
Marie Curie
--Curie was best known for her work on radioactivity.
--She died on July 4, 1934 -
Ernest Rutherford
--Rutherford was the central figure in the study of radioactivity who led the exploration of nuclear physics.
--He died on October 19, 1937
--Video URL: https://www.youtube.com/watch?v=Xb9KnwadI6Y -
The Telephone
--Alexander Graham Bell was the first to be awarded a patent for the electric telephone. -
The Lightbulb
--This allowed us to be active at night. -
Albert Einstein
--He is best known for two theories of relativity, The Nobel Prize in Physics and the equation e=mc^2.
--He died on April 18, 1955
--Video url: https://www.youtube.com/watch?v=Xc6f_qF81BU -
Niels Bohr
--Bohr was a Nobel Prize winning physicist and humanitarian whose revolutionary theories on atomic structures helped shape research worlwide.
--He died on November 18, 1962 -
Erwin Schrodinger
--Schrodinger is known for the Schrodinger equation and his brilliant contributions to the wave theory of matter.
--He died in 1961 -
Henry Moseley
--Moseley arranged the Periodic Table in order of the atomic numbers of the elements.
--He died on August 10, 1915 -
James Chadwick
--Chadwick is best known for discovering the neutron.
--He died on July 24, 1974 -
Louis de Broglie
--Louis gained worldwide acclaim for his groundbreaking work on quantum theory.
--He died on March 19, 1987 -
Robert Millikan
--Maillikan is best known for measuring the charge on the electron.
--He died on December 19, 1953
--Video URL: https://www.youtube.com/watch?v=91E6KvCvRf0 -
Werner Heisenberg
--Heisenberg was best known for his principle that explains the impossibility of knowing exactly where something is and how fast it is moving.
--He died on February 1, 1976
--Video URL: https://www.youtube.com/watch?v=uc6Se8UXWq8 -
World War I
--This happened after series of events sparked by the assassination of Archduke Franz Ferdinand of Austria -
Aristotle
--Aristotle laid much of the groundwork for western philosophy along with Socrates and Plato
--He died in 322 BC
