the evolution

beduardo1000
Mind Map by beduardo1000, updated more than 1 year ago
beduardo1000
Created by beduardo1000 over 5 years ago
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the evolution

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the evolution
1 of electric power
1.1 in the eary 1800the first time electricity was available for cities like new york paris and london it seemed magical and mysterious
1.2 electrisity presented some danger because it could not be seenas it travelled through the wires so ir was important to warn people about the hazards of this amazing new invention
1.3 thomas a edison invented the firstelectrical current meter it measured the amount of metal deposited on a copper plate
1.4 the light bulb too has gone throuha series of developments the condept was developed by thomas edison joseph swan and other scientists they were called filament buloos or incandescennt bulbs
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