Man’s discoveries and inventions revolutionise him. That is a truism
The conquest of fire altered how and what we eat; the invention of the wheel changed how we travel and how we construct machines; the discovery of germs increased human population as much as new modes of cultivation kept us better fed; and the harnessing of nuclear power provided us with a new source of energy along with awesome weapons of mass destruction.
Practical knowledge – along with the subsequent technologies – is largely cumulative. And at certain points in time, knowledge makes a transformative breakthrough and the technological innovations push mankind into a new dimension that its members are not prepared for.
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