Why Does Water Roll Off? Explaining Water Repellency

Water repellency or hydrophobicity is used in coatings for umbrellas and more. This video explains the basic scientific principles behind how hydrophobic surfaces repel water. I couldn't find concise and easy-to-understand explanations covering the fundamental concepts like surface tension and contact angle, so I made this video to explain it simply. 00:00 Introduction 00:39 Main explanation 08:42 Conclusion About my channel: I try to break down interesting science topics in an easy-to-understand way. I hope these videos help make science a little more fun and interesting. #SlowExplanation #Hydrophobicity #Principles