#176. Як можна довше зберегти холод в холодильнику під час вимкнення електрики

The video tells about how you can keep the cold longer in the freezer when the electricity goes out. Also "on the fingers" it is explained how it works. With formulas and calculations... Time code: 0:00 - Intro 0:08 - Introduction 1:37 - Some theory and background information 2:38 - Why do you need a water bottle in the freezer? 2:59 - How does it work? 4:32 - What will happen, if to "salt" the water in the bottle? 5:41 - How does it work with salt water? 7:17 - The difference in the efficiency of fresh and salt water... 7:51 - What will happen, if to "oversalt" the water? 8:23 - What happens when the light is turned on? 9:03 - Practical advice 9:55 - What is the capacity of the heat accumulator? 10:43 - For experts and connoisseurs of regional sciences. :) 11:16 - Final ==============================================