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