This New Ceramic Material Cools Buildings Without Electricity. Know How It Works #innovation #shorts
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This New Cooling Ceramic Can Cut Your Electricity Bill—and Cool the Planet
Scientists at the City University of Hong Kong have developed a revolutionary material called cooling ceramic that can cool buildings without using electricity or harmful refrigerants. Inspired by nature and made from alumina—a simple and heat-resistant material—the ceramic reflects 99.6% of sunlight and emits heat into space through passive radiative cooling (PRC).
Its hierarchically porous structure, created using low-cost methods like phase inversion and sintering, enhances its optical properties and durability. The ceramic is fire-resistant (over 1000°C), UV-stable, weatherproof, and mechanically strong—making it ideal for rooftops and walls in buildings.
By mimicking the light-scattering structure of Cyphochilus beetles and applying Mie scattering techniques, researchers achieved exceptional cooling efficiency. Field tests showed over 20% savings in cooling electricity, reducing reliance on air conditioning and cutting greenhouse emissions.
This innovation offers a sustainable, scalable, and eco-friendly solution to urban heat, rising energy demands, and climate change. Its potential for wide use in construction and disaster relief makes it a promising game-changer in the global push for greener buildings and cooler cities.
The research is published in the journal Science and is now moving toward commercialization.
Read full article here: https://www.uncoverreality.in/2025/06/this-new-cooling-ceramic-can-cut-your.html
Reference: Kaixin Lin et al., “Hierarchically structured passive radiative cooling ceramic with high solar reflectivity”, Science 382, 691-697(2023). DOI:10.1126/science.adi4725
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Won’t rooftops need constant maintenance if this ceramic gets dirty or damaged? 🤔
Simple materials Big results Love seeing practical sustainability like this 😍
Huge respect to the minds behind this! Cooling without electricity is a real climate win.
Doesn't this still depend on clear skies to work well-what about rainy or polluted areas?
Impressive 😊
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