Learn more about opportunities from KiwiCo here: www.kiwico.com/okay SUBSCRIBE so you never miss a video! ►► bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ What do raindrops look like? Exactly how we drew them as kids, right? Wrong! Teardrop-shaped rain is physically impossible. This week I went inside a vertical wind tunnel to bring you the true shape of rain. Special thanks to iFly Indoor Skydiving in Austin, TX! Learn more about their STEM field trips: www.iflyworld.com/programs/stem-field-trips/ REFERENCES: Dr. Scot Martin, Laboratory of Environmental Chemistry at Harvard University www.seas.harvard.edu/directory/smartin Terminal Velocity of Raindrops Aloft journals.ametsoc.org/doi/10.1175/1520-0450%281969%29008%3C0249%3ATVORA%3E2.0.CO%3B2 The Terminal Velocity of Fall for Water Droplets in Stagnant Air journals.ametsoc.org/doi/pdf/10.1175/1520-0469%281949%29006%3C0243%3ATTVOFF%3E2.0.CO%3B2 Single-Drop Fragmentation Determines Size Distribution of Raindrops www.nature.com/articles/nphys1340 ----------- FOLLOW US: Twitter: @DrJoeHanson @okaytobesmart Instagram: @DrJoeHanson Merch: store.dftba.com/collections/its-okay-to-be-smart Facebook: www.facebook.com/itsokaytobesmart SEND US STUFF: It’s Okay To Be Smart PO Box 303356 Austin, TX 78703 USA BOOKS WE’VE FEATURED: smart-books.tumblr.com/ ----------- It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D. Director: Joe Nicolosi Writer: Sarah Keartes Creative Director: David Schulte Editor/animator: Derek Borsheim Producers: Stephanie Noone and Amanda Fox Produced by PBS Digital Studios Music via APM Stock images from Shutterstock www.shutterstock.com

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