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Isaac Newton
Proposed a mechanical universe with small solid masses in motion. -
Period: to
the scientists
The guys who helped discover the ATOM!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -
John Dalton
Proposed an "atomic theory" with spherical solid atoms based upon measurable properties of mass. -
Michael Faraday
Studied the effects of "electroysis" -
J. Plucker
Created one of the first cathode ray tubes -
Dmitri Mendeleev
Arranged elements into 7 groups w/ similar properties
Created the Periodic Law -properties of elements were periodic functions of the their atomic weights -
James Clerk Maxwell
Proposed electric/magnetic fields filled the "void" -
Sir William Crookes
Discovered cathode rays cause glass to flourecent; impart a negative charge to whatever the hit; are deflected by electric/magnetic fields; etc. -
G.J. Stoney
Proposed that electricity was made of electrons -
Wilhelm Roentgen
Discovered x-rays with a cathode ray tube -
Rutherford
Studied rradiation emmited from uranium and thorium- called them alpha and beta -
Aston
Discovered the existance of isotopes through the use of a mass spectograph -
Enrico Fermi
Conducted the first controlled chain reaction by releasing energy form an atom's nucleus