Chinese seismograph (132 AD)(thanks to National Geographic) Earthquakes are a big problem in China, where there are many earthquakes, and often strong ones. Under the Han Dynasty, a man called [...]
Chinese science: a double-action piston box bellows (China) What are some Chinese inventions? Chinese scientists started inventing a lot of new things around 500 BC, during the Warring States period. [...]
Can you use things around your house or the hardware store to design your own seismograph to record earthquakes? Try building it to see if it would work. A good design should [...]
