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HOW WHITE ROOFS KEEP CITIES COOL
Aluminium foil hack to clean chimney filters: How it works, benefits and steps to remove stubborn grease- In 2011, New York tried a simple way to beat peak summer heat by painting rooftops white; here’s how it helped cool cities
- In 2019, scientists tested a diaper-like superabsorbent polymer in lab-made asphalt samples; the water-storing material cooled the specimens by up to 12°C
- 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
- Rooftop rainwater could help cities stay cooler and cut heatwave days, study findsCollecting rainwater and spraying it on rooftops may cool cities during heatwaves. This system uses evaporative cooling to lower roof tempe...08 Aug, 2026, 03.48 PM IST
- Spraying white vinegar on knives, spoons and forks: How this easy hack works, how to use and why it’s effectiveHomemade kitchen hacks are gaining popularity for cleaning cutlery. Spraying white vinegar on forks and knives restores shine and removes o...08 Aug, 2026, 01.24 PM IST
- Aluminium foil hack to clean your refrigerator: How it works, benefits and why it keeps your fridge freshMaintaining a spotless refrigerator can feel like a never-ending struggle for many. However, a common kitchen item—aluminum foil—could be y...08 Aug, 2026, 12.34 PM IST
- Why people are keeping a bay leaf inside their phone cases: Benefits, beliefs and is there any science behind it?Bay leaves have taken social media by storm as users add them to their phone cases, believing it brings fortune and positivity. Drawing ins...08 Aug, 2026, 10.25 AM IST
- Tired of fingerprints on your stainless steel fridge? Cleaning expert shares the secret to a lasting shine08 Aug, 2026, 10.17 AM IST
- Vivo S2 launched at Rs 39,999: Check price, camera, battery, specs, sale date and offersVivo has launched its S2 smartphone in India with advanced cameras. The device features a 50MP Sony main camera and a 32MP selfie camera. I...07 Aug, 2026, 10.35 AM IST
- Microsoft launches fourth India cloud region in HyderabadThe new 'India South Central' cloud region makes Microsoft the provider with the largest hyperscale cloud presence in the country, adding t...07 Aug, 2026, 09.56 AM IST
- Powerball jackpot goes past $850 million for August 8 drawing - Here's what Saturday night's winner could take homeGet ready for an electrifying Saturday as the Powerball jackpot stands at a jaw-dropping $856 million! Players have two appealing payout op...07 Aug, 2026, 08.23 AM IST
- US military says there was no white phosphorus leak at its air base in South KoreaUS military investigations confirmed no white phosphorus leak at Osan Air Base. Local authorities had urged residents to evacuate due to su...06 Aug, 2026, 02.57 PM IST
- Researchers replaced a bare roof with plants; green roof surfaces stayed 30 to 40°F cooler in summerGreen roofs cool surfaces by up to forty degrees Fahrenheit, reducing urban heat island effects. Evapotranspiration from plants cools build...05 Aug, 2026, 06.03 PM IST
- No cement, only mud: Bengaluru IT engineer’s sustainable home is inspired by the 5 elements of nature. His house blends modernism with mindfulnessIT engineer Raghava Rao Bellamkond built a sustainable home named Panchatathva in Bengaluru. This residence blends modern design with rural...05 Aug, 2026, 05.40 PM IST
- Purdue University created paint so white that a coated surface stayed 8°F below the surrounding air at noonPurdue University researchers developed an ultra-white paint reflecting nearly all sunlight. This innovative paint keeps surfaces cooler th...05 Aug, 2026, 05.37 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
- Why people are using aluminium foil to keep their phones cool in summer; Does this simple hack really work?Smartphones can overheat due to external heat sources and prolonged usage. Aluminium foil can act as a temporary heat shield by reflecting ...02 Aug, 2026, 12.25 PM IST
- Can chalk replace air conditioning? France is putting the idea to the testFrance is experiencing a surge in demand for crushed chalk as a cooling solution. This traditional cleaning powder is applied to windows, r...30 Jul, 2026, 08.06 PM IST
- In 2010, a study suggested the coolest solution to global warming might also be the simplest; a fresh coat of white paint could help cool the planet: How white roofs may reduce urban heat and support climate action?In 2010, a study suggested the coolest solution to global warming might also be the simplest; a fresh coat of white paint could help cool t...28 Jul, 2026, 01.45 AM IST
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