Tick tock. For anyone over the age of 25, the association with those words is not the generation-defining app, but clocks. Clocks help us (try to) get up on time and ensure that our pasta is perfectly al dente. But how do clocks actually keep time? And how do we decide how we divide time up? 🧬 New episodes of Huh? Science Explained drop every Monday and Friday. Subscribe on the LiSTNR app to make sure you don’t miss an episode. 🔬 Follow us on TikTok @aussiesciencepodcasts.  👨‍🔬 Evrim Yazgin is a Cosmos journalist with a Masters in Physics from the University of Melbourne. His love of science fiction has spurred an interest in all things flux capacitor to quantum-time-antimatter-inverters. See omnystudio.com/listener for privacy information.