132 ⟶ Zhang Heng Develops First Seismoscope

Zhang Heng of China invents first seismometer to detect the ...
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Year
-116
105
125
132
347

🍚 Legendary Invention of Tofu by Liu An

According to legend, Liu An invents tofu.⟶
Legendary Invention of Tofu by Liu An (-116)
FoodAgricultureHan Dynasty
ChinaChina

📜 Cai Lun Creates Paper

Cai Lun of China invents paper.⟶
Cai Lun Creates Paper (105)
Han DynastyCommunicationWritingCai Lun
ChinaChina

⚙️ Zhang Heng invents the Water-Powered Armillary Sphere

Zhang Heng of China invents the world's first water-powered armillary sphere.⟶
Zhang Heng invents the Water-Powered Armillary Sphere (125)
AstronomyZhang HengHan Dynasty
ChinaChina

🧲 Zhang Heng Develops First Seismoscope

Zhang Heng of China invents first seismometer to detect the cardinal direction of earthquakes.⟶
Zhang Heng Develops First Seismoscope (132)
Scientific InstrumentsSeismologyGeophysicsHan DynastyMeasurement
ChinaChina

🌏 Zhang Heng Invents the First Seismoscope

Seismometer and pendulum in Han dynasty China, built by Zhang Heng. It is a large metal urn-shaped instrument which employed either a suspended pendulum or inverted pendulum acting on inertia, like the ground tremors from earthquakes, to dislodge a metal ball by a lever trip device.⟶
Zhang Heng Invents the First Seismoscope (132)
Han DynastySeismologyInstrumentationZhang HengEarthquake
ChinaChina

🛢️ Deep Borehole Drilling in Ancient China

Oil Wells and Borehole drilling in China. Such wells could reach depths of up to 240 m (790 ft).⟶
Deep Borehole Drilling in Ancient China (347)
Resource ExtractionHan Dynasty
ChinaChina