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Thomas edison invents carbon microphone
He created the carbon microphone used in telephones, radio broadcasting and public adress works. -
Thomas edison created the first lightbulb
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Guglielmo marconi created the first wireless telegraph.
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Marie curie discovers polonium
Working with the mineral pitchblende, she discovered a new radioavtive element, she named the element polonium after her native country poland. -
Guglielmo Marconi proved wireless signals were uneffected by the curveature of the earth.
He transmitted a signal a distance of 2100 miles. -
Marie curie announces she created a decigram of pure radium
She created the first decigram of pure radium. -
Marie curie gets nobel prize in physics
Marie curie is the first woman to get a nobel prize. -
einsteins theory of relativity.
E=mc2 -
Marie curie gets nobel prize in chemistry
she got her second nobel prize this time in chemistry -
Einsteins general theory of relativity.
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albert einstein won the nobel prize for physics.
His work on the photoelectric effect won him the nobel prize for physics. -
Jonas salk created the first effect polio vaccine