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Early access for Patrons! In this video I explore a variety of bioplastics for their applicability to radiative cooling and other DIY projects. The video should go live to the public tomorrow around 1pm EST.

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Radiative Cooling Aerogel from Potatoes (and other DIY bioplastics)

Ad: Check out my sponsor and remove your personal information from the web at https://JoinDeleteMe.com/nighthawk and use code NIGHTHAWK for 20% off. DeleteMe international Plans: https://international.joindeleteme.com In this video we explore several types of bioplastics for radiative cooling and sustainable materials research. Thanks to my special guest, Giestas for sharing his wealth of personal experience and video documentation in the making of this video! Check out his channel here: https://www.youtube.com/@giestas @giestas This is a continuation of my ongoing radiative sky cooling series which can be found here: https://youtube.com/playlist?list=PL1a2HkcVbmAWExiWT__qQypLEwkvijnIM&si=B5dbMytmQQNfua5k A special thank you to my top patrons: Aik193, Aleksander, bandit, Bartholomew Spawndoom, Boatyard McBoatface, Brad Alan Armstrong, Brian, Brian Bowles, Bryan Shattuck, Carl Katzenberger, Chris, Christopher Calkins, Christian, Connor Davis, Daniel Bauman, Dan L, Daniel Moore, David Burburan, Dean Maurer, Dustin B, Edward Ivory, Edward Unthank, Eugene Pakhomov, Enzo Breda Lee, Etalon, Evan Hughes, Evan Relf, GadgetPatch, GEOCAHEPUNA, Gusbear, Henner Zeller, Isaac Wiebe, Jedediah Kivi, Jeremy, Jon Hartmann, Johnathon Otte, Jonathan Wilt, Josh Hoppes, Julian Meßmer, JWC, Keith Tucker, Kejie YU, Kris Pockell, Lisa L, Manuel Barkhau, M W, Mark Roth, Martha Williams, Matthias S., Merrill Crawford, Michel Pastor, Moopy (Mike), Oliver, OscarCorx, overra, PabloXIII, Parker Jones, Peter Gordon, PeteyPak, PFC_CMC, RPMatthew, Ryan Shoaf, Sam Hodge, Santiago Perez, Scott Schlesier, Shadow VanDusen, Simone Chiesi, Steve C, Syniurge, Ted Brandston, The Coldrays Team, Trance Maharaj, TWSBI, UltimApe, Walter Montalvo, White Hat, Y@, Yanko Yankulov, Alvaro Figueroa https://www.patreon.com/c/NightHawkProjects Thank you for watching!

Comments

Hyrum Paulsen

Stupid question/comment: wouldn’t a foam not be able to achieve the same radiative cooling effect of spheres/threads because the internal reflection isn’t consistently directed outwards? I get that bubbles are useful for getting it whiter, but the path of the photons through the material is going to be more random than your past experiments, right?

NightHawkInLight

It's weird, but that's how all white things are white. Random scattering that partly goes inward, but eventually comes back out