stackyFACTSStaring directly at the sun is universally advised against, but ancient Chinese astronomers in 28 BC managed to squint through heavy haze and dust to document dark blemishes on the solar surface. They successfully charted massive magnetic anomalies using nothing but their incredibly strained retinas.
Keep exploring facts in this topic.
History →STACKY FOR IPHONEKeep discovering with Stacky. Interesting facts in an app that is always within reach.
While everyone else was presumably panicking over a terrifying new light in the sky, Chinese observers in 1054 simply did their jobs. They casually logged a…
Discover more
Centuries before modern telescopes, meticulous Han dynasty scholars meticulously charted a massive glowing streak across the sky in 240 BC. Rather than…
Discover more
Ancient cultivators in Sri Lanka discovered that if you peel the inner bark of a specific evergreen tree and let it curl into brittle little sticks, it tastes…
Discover more
Transforming marshy, useless wetland into a heavily flooded, labor-intensive paddy was a choice made in ancient China. Early farmers essentially decided to…
Discover more
Before you could buy high-powered telescopes online, you had to physically grind the lenses yourself. Christiaan Huygens wanted to figure out what the weird…
Discover more
Cultivating sesame requires waiting for a tiny pod to dry out and suddenly burst, scattering microscopic seeds absolutely everywhere. Ancient Indian farmers…
Discover more