Ever heard of a candle clock? ⏳ In the 10th century, China used candles with notches to track time. Some even had metal balls inside that dropped at each hour! The original timer. #FunFacts #evrýs - ThreadSky

evrysforall.bsky.social • 47 days ago

Ever heard of a candle clock? ⏳

In the 10th century, China used candles with notches to track time. Some even had metal balls inside that dropped at each hour! The original timer. #FunFacts #evrýs