Go to todayilearned by TIL of incense clocks that tell time with fire. They were used in China since at least 6 AD. Some even could trigger alarms by burning through threads holding metal balls and causing them to fall, or used scented chips so you could tell time with a sniff daily.jstor. #ifttt #reddit #til

Reddit - Dive into anything Go to todayilearned by TIL of incense clocks that tell time with fire. They were used in China since at least 6 AD. Some even could trigger alarms by burning through threads holding metal balls and causing them to fall, or used scented chips so you could tell time with a sniff daily.jstor. Tags: ifttt, reddit, til via Pocket https://ift.tt/8iY5Wzk April 11, 2023 at 09:26PM

Reddit - Dive into anything Go to todayilearned by TIL of incense clocks that tell time with fire. They were used in China since at least 6 AD. Some even could trigger alarms by burning through threads holding metal balls and causing them to fall, or used scented chips so you could tell time with a sniff daily.jstor. Tags: reddit - dive into anythi via Pocket https://ift.tt/8iY5Wzk April 11, 2023 at 10:13PM