For decades, China’s middle school students were introduced to the world’s first seismograph through an image in their history textbooks: a large, bronze urn with eight dragons perched the same ...

Chinese seismologists and archeologists have announced that they have created a replica of Didong Yi, the world's first seismograph. The announcement in Zhengzhou, capital of central China's Henan ...

Fang Zhouzi has questioned if the primitive seismograph invented by Zhang Heng from the Eastern Han Dynasty (25- 220) did successfully detect earthquakes in the past, as some historical documents ...

However, the Chinese came up with their own seismograph several thousand years earlier. Their invention was far more artistic. It consisted of a 6-foot-wide kettle with eight metal dragons on the ...

Henan province in Central China is preparing to open an earthquake monitoring station near the site of an ancient observatory named after Zhang Heng, the Eastern Han Dynasty (25-220) scientist who ...

Then: replica of Zhang Heng's seismographNearly 2,000 years ago, in 132, a Chinese scientist named Zhang Heng invented the world's first seismograph, an instrument to detect earthquakes. From the ...

Seismograph:-Chinese scientist Zhang Heng worked from astronomy to watchmaking, but he is best known for making the first instrument to detect distant earthquakes.

In service for five years, the satellite, which is named after the inventor of an ancient Chinese seismograph, has provided a large amount of scientific data on earthquakes around the globe.