تلاءم مشاهدة السريعة وتثقف بسيط واعمال البسيطة وسهلة "ليس عبئ على عقل"
Curated by: Marry (1073 videos)
Your fan might be making things worse. At a certain temperature, it stops cooling you down and starts heating you up. This is the story of wet bulb temperature, a number most people have never heard of, a threshold the human body cannot survive, and a climate reality that's already here. Key topics covered: - How your body actually cools itself (it's not sweating) - What wet bulb temperature is and why it matters - Why 35°C wet bulb is the absolute human limit - Why the real danger starts at 28°C - How a fan becomes a convection heater - The 2003 European heatwave that killed 70,000 people - Why billions of people have no way out 📖 Chapters: 0:00 — It's hot right now 0:55 — How your body cools itself 1:34 — Why humid days feel worse 2:01 — Your body is an 80-watt heater 2:35 — What is wet bulb temperature? 3:57 — The 35°C threshold 4:40 — When a fan becomes dangerous 5:33 — This is documented 5:49 — Scientists were wrong 6:37 — Bandar Mahshahr, 2015 7:21 — 35°C is the optimistic number 8:07 — Who is most at risk 8:47 — The real problem isn't the fan 9:19 — The wall 9:40 — The uncomfortable truth #heatwave #wetbulbtemperature #climatechange #heat #science #fan