hackertube.io

Revolutionary Paint: How to Make Surfaces Stay Cool in the Sun

Tech Ingredients · tutorial · Watch on YouTube

Materials scienceChemistryRenewables, batteries & storage

What it is

Tech Ingredients shows how to make a homemade radiative cooling paint, with a custom liquid panel that cools below ambient temperature outdoors. The video covers the materials and how to apply the paint.

Why Hacker News recommends it

HN points to it as an impressive, hands-on DIY demonstration of passive radiative cooling that works in practice.

  • 5 people recommended it
  • 5 different months
  • 0 strong recommendations
  • first 2023, last 2026

What HN commenters said

  1. “There's definitely something here, hopefully someone sells it pre-made, I'd love to try some.”

    Shows how to make infrared cooling paint at home

    slimsag, 2023-04 · Recommendation · in “Energy-saving coating without pigment keeps the surface beneath cool”

  2. “Their latest video is on passive cooling and very impressive.”

    Impressive build video on passive cooling

    bertil, 2023-05 · Recommendation · in “Vietnam records highest ever temperature of 44.1C”

  3. “Yes, it is better than regular white paint”

    Answers whether cooling paint beats regular white paint

    Azrael3000, 2023-07 · Recommendation · in “Making Radiative Sky Cooling Paint (With Novel CaCO₃ Microsphere Synthesis) [video]”

  4. “Great video about making home-made high reflectivity paint”

    Home-made high reflectivity paint that stays cooler than ambient air

    scotty79, 2023-11 · Recommendation · in “Passive radiative cooling ceramic with high solar reflectivity”

  5. “the YouTube channel "Tech Ingredients" do some cool things with radiant cooling”

    Cool radiant cooling projects

    20after4, 2024-03 · Recommendation · in “Using a solar oven as a radiant refrigerator at night”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: passive cooling, paint, diy, materials science, reflectivity

Also recommended by the same people