#ctesibius — Public Fediverse posts

⏱️ NEW: #Ctesibius, a Greek inventor of the 3rd century BCE, turned the ancient #clepsydra into an automated #water clock.

A feeding reservoir steadied the flow, while a siphon reset the cycle each day and a floating marker tracked daylight hours. It beat every clock on #Earth until 1656, when the pendulum arrived.

👉 https://www.openculture.com/2026/09/the-ancient-greek-water-clock-that-kept-the-most-accurate-time-for-1800-years.html

#ancientgreece #greece #history #science #invention #engineering #automation #technology #tech