Searched for
PASSIVE COOLING METHODS
In 2025, researchers built a box from porous PMMA sheets that reflected 96% of sunlight; 80°F outdoor air measured 65.3°F inside without electricity- In 2023, Princeton researchers tested a naturally ventilated cooling box; it stayed below outdoor air while using radiative cooling and buoyancy-driven airflow
- In a 2025 study, Penn State researchers tested porous PMMA sheets that reflected 96.4% of sunlight; a test box stayed 14.7°F cooler than the outdoor air
- In a 2011 Las Vegas test, a 15.24-cm wet roof pond lowered indoor peak operative temperature by about 8.5°C versus the outdoor maximumIn the summer of 2011, a groundbreaking building in Las Vegas experimented with roof pond cooling. Results indicated that wet roof ponds ef...29 Aug, 2026, 02.20 PM IST
- UPenn researchers copied elephant skin in porous cement tiles; a mockup home stayed near 32°C versus 42°C and 52°C with commercial stucco surfacesResearchers developed innovative cement tiles inspired by elephant skin for passive cooling. These tiles feature engineered cracks that abs...28 Aug, 2026, 04.00 PM IST
- Rains Raksha in India may not be enough to fight $250 billion heat billExtreme heat poses a significant economic threat to India's workforce and GDP. Lost labor hours and reduced productivity impact both worker...28 Aug, 2026, 12.30 PM IST
- Austrian researchers 3D-printed porous ceramic cubes for passive cooling; one water-filled prototype cooled nearby air by nearly 7°C without electricityResearchers from Austria have created groundbreaking 3D-printed ceramic cubes designed for passive cooling applications. Utilizing the prin...10 Aug, 2026, 05.25 PM IST
- German scientists created a sponge-like material that could pull 1.8 liters of drinking water from dry air every day, turning desert air into a potential drinking-water sourceResearchers have developed a groundbreaking material that can absorb moisture from arid air and act as a highly efficient coolant for air c...08 Aug, 2026, 06.39 PM IST
- Sonam Wangchuk's Ladakh home is built without concrete and has waterless sanitation system. It stays naturally warm even in winterSonam Wangchuk, the engineer and education reform campaigner who recently completed his hunger strike seeking changes to the examination sy...02 Aug, 2026, 07.58 PM IST
- Forget ACs: This Delhi couple's home stays cool even in 45°C heat. Here's how they did it naturallyIn Delhi's sweltering heat, one couple's 40-year-old home stays cool without heavy AC reliance. Their residence utilizes traditional archit...03 Jun, 2026, 03.38 PM IST
- 'Fuel that should drive urban planning': Anand Mahindra praises Jodhpur's 'zero-AC' cooling shelter that remains 8°C cooler even in 50°C heat. Know all about this innovationJodhpur has developed a net-zero cooling shelter under its Heat Action Plan to help people cope with rising heatwaves without relying on tr...15 May, 2026, 05.24 PM IST
- Why Putting a Spoon in Your Freezer Could Save Your FoodKitchen cooks are finding a simple trick to reduce food waste: freezing a steel spoon. This method, backed by science, leverages thermal co...23 Apr, 2026, 05.06 PM IST
- Hidden pipes, sandstone walls: How our ancestors kept interiors cool without AC, fanAncient Indian architecture employed ingenious, nature-based cooling systems long before modern technology. Structures like Lotus Mahal and...19 Apr, 2026, 10.18 AM IST
- The Heating Habits People Used Before Smart Systems And Why Some Still WorkOld heating methods are surprisingly effective. People used to adjust their homes manually for warmth. Science now shows this human-centric...04 Apr, 2026, 12.31 PM IST
- Simple Home Habits Older Homes Used to Stay Fresher for LongerOlder homes offered healthy living through smart design and daily routines. Practices like natural ventilation and decluttering kept air fr...01 Apr, 2026, 05.41 PM IST
- How electricity-free cooling could power India’s next green tech revolutionIndia faces record heat, increasing electricity demand. A new electricity-free cooling technology uses reflective coatings to reduce temper...29 Oct, 2025, 05.58 PM IST
- India must brace for 9-10% power demand surge in 2025 amid rising temperatures, warn expertsExperts warn that India should prepare for a 9-10% increase in peak electricity demand this summer due to rising temperatures and more heat...25 Mar, 2025, 05.11 PM IST
- India must brace for 9-10% power demand surge in 2025 amid rising temperatures, warn expertsIndia is expected to see a 9-10% rise in peak electricity demand this summer due to more heatwaves, driven by climate change. Experts highl...25 Mar, 2025, 10.34 AM IST
- 5 best bitcoin mining methods to earn passive incomeFive of the best Bitcoin mining methods to earn passive income in the cryptocurrency industry22 Sep, 2022, 03.19 PM IST
- How blazing sun can cool your buildingAt Solar Energy Centre in Gurgaon, solar ACs have replaced conventional devices. Some other buildings have switched to alternative cooling ...06 Apr, 2012, 10.58 AM IST
Load More
