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People discovered fire developed paper from plants and forged weapons and tools with stone bronze, copper and iron. for example:
clay tablet -
People used the power of steam, developed machine tools, established iron production, and the manufacturing of various products. for example:
telegraph -
The invention of the transistor ushered in the electronic age, people harnessed the power of transistor that led to the transistor radio, electronic circuits and the early computers. for example:
transistor radio -
The internet paved the way for faster communication and the creation of the social network. for example:
wearable technology
