Thomas Edison was an inventor., Nikola Tesla was a famous scientist., The first light bulbs were very different from modern light bulbs., Alexander Graham Bell was interested in communication., Electricity was very important for new inventions., The first telephones were very simple., The first radios were large and expensive., The first televisons were black and white

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АИ Енханцед: Ова активност садржи садржај који генерише АИ. Учи више.

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