HackerTube

THE VIDEO SHELF · radiative cooling paint

Making Infrared Cooling Paint From Grocery Store Items (w/Novel CaCO₃ Microsphere Synthesis)

NightHawkInLight shows how to make radiative sky cooling paint from grocery and hardware store materials, including a novel calcium carbonate microsphere synthesis. The paint can cool a surface below ambient air temperature in direct sunlight without electricity.

Watch & explore the libraryYouTube ↗

Why HN readers recommended it

It comes up whenever radiative cooling coatings are in the news, as a hands-on DIY guide that shows the approach working with household materials.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
NightHawkInLight
Topic
radiative cooling paint
Format
tutorial
Level
intermediate
HN recommenders in dataset
5
HN mentions in dataset
8
Recommendation years in dataset
2023–2026

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • Here is a frankly incredible video of how you could make such a paint if you were so inclined. I don't think it's very practical, but the video is very interesting anyways [VIDEO]

    mkeedlinger on Hacker News · 2023-07
    In Scientists at Purdue have created a white paint that can cool a building

  • If you want to experiment with making your own radiative cooling coatings with easily available, safe materials and common household tools, this video is a great guide: [VIDEO]

    K0balt on Hacker News · 2023-07
    In To Help Cool a Hot Planet, the Whitest of White Coats

  • Weirdly, you can already get decent results with a material that can be prepared at home: [VIDEO] It doesn't have all the properties necessary to call it paint, but apparently it does the job.

    Tade0 on Hacker News · 2023-07
    In To Help Cool a Hot Planet, the Whitest of White Coats

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.

Keep exploring