Learn more about differential equations (and many other topics in maths and science) on Brilliant using the link https://brilliant.org/sabine. You can get started for free, and the first 200 will get 20% off the annual premium subscription. The second law of thermodynamics says that entropy will inevitably increase. Eventually, it will make life in the universe impossible. What does this mean? And is it correct? In this video, I sort out what we know about the arrow of time and why I don't believe that entropy will kill the universe. 💌 Support us on Donatebox ➜ https://donorbox.org/swtg 🤓 Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/ 👉 Transcript with links to references on Patreon ➜ https://www.patreon.com/Sabine 📩 Sign up for my weekly science newsletter. It's free! ➜ https://sabinehossenfelder.com/newsletter/ 🔗 Join this channel to get access to perks ➜ null 🖼️ On instagram ➜ https://www.instagram.com/sciencewtg/ 00:00 Introduction 1:00 The Arrow of Time 3:04 Entropy, Work, and Heat 7:07 The Past Hypothesis and Heat Death 9:34 Entropy, Order, and Information 11:38 How Will the Universe End? 15:46 Brilliant Sponsorship