0 ore 40 min, 1 gen 200 anni a. C. - The Chinese discover Natural gas as an energy source.
Descrizione:
The Chinese develop natural gas as an energy source, using it to make salt from brine in gas-fired evaporators through bamboo pipes. They also begin coal mining. During this era the vertical waterwheel is also thought to have been invented.Aggiunto al nastro di tempo:
Data:
0 ore 40 min, 1 gen 200 anni a. C.
Adesso
~ 2225 years ago
