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In 18 years on YouTube this is the first video I've ever had edited by someone other than myself. I've been able to hire an editor thanks entirely to the consistent income that you have provided for me by being here on Patreon. Thank you! It was awesome to finish this project and immediately jump right into working on the next one without two weeks delay spent editing. Already I plan to start filming the next video tomorrow (another in the radiative cooling series). I hope you enjoy this. Thank you very much for making it happen!

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DIY Supermaterial Could Save You From Heatstroke: Salt based PCMs

Check out my sponsor Brilliant, free for 30 days (and get 20% off a premium subscription!) by using this link: https://brilliant.org/nighthawk Here is my Amazon storefront containing affiliate links for some of the items used in this project: https://www.amazon.com/shop/nighthawkinlight/list/1SSN3ODKTFHBQ?ref_=aipsflist_aipsfnighthawkinlight Below are ebay affiliate links (I will receive a small commission if you make purchases through affiliate links): Sodium sulfate: https://ebay.us/4JoC8V Calcium chloride: https://ebay.us/kcniPG Sodium acetate hot packs: https://ebay.us/pLjYz8 Reusable silicone bags: https://ebay.us/o4lnvk Referenced videos: Radiative Sky Cooling Playlist: https://www.youtube.com/playlist?list=PL1a2HkcVbmAWExiWT__qQypLEwkvijnIM Reinventing Starlite: https://youtu.be/0IbWampaEcM?si=8mIY9GgNNKFdKsLG Solar balloons: https://youtu.be/0QL_Ijxs9fk?si=-NekRaVpQ2ao2zf4 Wax fabric: https://youtu.be/HedRbIsM75M?si=5NjcRvY-3qu3__J2 Second channel: https://www.youtube.com/channel/UCb6Y8DZRfg80q6ng3Ca2xYg A special thank you to my top patrons: Aik193, Chris, Christian, Damián Arrillaga, Daniel Moore, Dustin B , Eugene Pakhomov, Evan Hughes, Evan Relf, Gusbear, Jedediah Kivi, Jonathan Wilt, Iain Rei, Josh Hoppes, Mark Roth, Matthew, Matthias S., Michel Pastor, Nick Gerner, PabloXIII, Parker Jones, Peter Gordon, PeteyPak, Sam Hodge, Santiago Perez, Simone Chiesi, Syniurge, Teague Lasser, WilSkarlet, Yanko Yankulov, Alvaro Figueroa https://www.patreon.com/NightHawkProjects Thank you for watching!

Comments

Matt Helton

It's been a while since I took chemistry, so please forgive me, but in regard to the two formulas/chemicals used, which one would give the most benefit over the other? Is the 18°C better than the 29°C at heat removal?

Yevhen Shymko

Id like to use this R&D work you did to make HPCM a commodity starting from EU since im in Poland. You mentioned you up for that or at least sleeping pillow so how can we get in touch?

Patryk Paluszek

Dear Ben, I'm a big fan of your content. I come from a hacker family. My father is a firefighter and 4x4 car builder. He used a rudimentary version of pcm cooling mat for years - old fire engines didn't have air conditioning, nor proper heat insulation from the engine. Please contact me - I want to discuss development of the pillow and more - there is an email from patrykpaluszek@gmail.com in your inbox