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Phoenix swapped black asphalt for a reflective road coating; noon surface heat fell 12°F, but pedestrians faced higher radiant heat- Columbia Engineering built a pigment-free paint filled with microscopic air pores; it stayed 6°C below surrounding air during hot desert tests in Arizona
- Illinois researchers tested a passive cooling film in Houston; treated metal roofs measured more than 40°F cooler in direct sunlight
- Americans discard about 15 million tons of asphalt roof shingles a year, but old roofs can be ground up and put straight back into the roads people drive onMillions of tons of asphalt shingles are disposed of annually in the United States. These old roofing materials can be processed into recyc...25 Aug, 2026, 01.20 PM IST
- In 2025, a Finnish builder spent about $20,700 and 200 days making a 36-foot plywood solar boat. Earlier in 2026, it crossed more than 3,000 nautical miles from the Baltic to Spain on sunlight aloneA Finnish builder spent about $20,700 and 200 days creating a lightweight 36-foot plywood solar boat designed around efficiency rather than...24 Aug, 2026, 11.27 PM IST
- In 2009, German startup SkyWind first showed its rooftop micro turbine design. 17 years later, the machine has secured certification, with Utah testing verifying roughly 615 kWh of electricity per yearSkyWind's rooftop wind turbine has secured full certification after two years of testing. This compact machine produces about 1,000 watts o...24 Aug, 2026, 07.09 PM IST
- Bengal disaster management force 'Arjun Vahini' to be operational from September: CM Suvendu AdhikariWest Bengal is set to unveil Arjun Vahini, its new disaster management force, starting operations in September. This strategic response is ...23 Aug, 2026, 08.59 PM IST
- Fire crews battle massive blaze at iconic Cleveland church as historic structure collapsesA destructive fire severely damaged an iconic historic church on Cleveland's East Side. Emergency responders battled intense flames, which ...21 Aug, 2026, 08.53 PM IST
- Rainfall experiments found solar panels cut soil erosion beneath their surfaces by 27–63%, while concentrated dripping created new erosion hotspots along panel edgesSolar panels significantly reduce soil erosion directly beneath them during rainfall events. However, concentrated runoff at panel edges ca...20 Aug, 2026, 07.00 PM IST
- In tat-for-tat action, Indian authorities pull down some structures outside Pakistan mission in DelhiAuthorities removed structures and queue barriers outside the Pakistan High Commission. These items were located on a lane outside the comp...20 Aug, 2026, 06.07 PM IST
- A reflective roof coating reduced peak roof temperature by 14.1°C and indoor temperature by 2.4°C; later research found evaporative cooling could add further benefitsInnovative roofing technologies are changing the game for building temperature regulation. By utilizing white reflective coatings, sunlight...19 Aug, 2026, 02.20 PM IST
- In 2023, scientists built a rooftop tile that opens its cooling vents when hot and closes them when cold, using no electricity and cutting cooling costs 3.1-foldInnovative engineers have created high-tech roof tiles that adjust themselves to optimize building temperatures automatically. By utilizing...19 Aug, 2026, 01.50 PM IST
- Why a radio telescope can be built from cardboard and aluminum foil: the metal-lined horn reflects radio waves toward a receiverDedicated hobbyists and curious students are assembling radio telescopes from common household objects. These innovative instruments catch ...18 Aug, 2026, 02.10 PM IST
- In 1934, in America's strangest honeymoon, Arizona couple chose a roofless 900-year-old crumbling monument with snakes and scorpions as company. The famous couple later worked in 8 national monumentsIn 1934, Arizona newlyweds Sallie Pierce Brewer and Jim Brewer began their married life in one of America’s most unusual settings, the anci...18 Aug, 2026, 10.09 AM IST
- The dangers of smoking in bedThe grandmother had an aversion to rain, often burying bottles as a talisman against storms. During heavy downpours, she'd lock the windows...17 Aug, 2026, 11.11 PM IST
- The Lost Inca City Hiram Bingham Missed: How another explorer found Vilcabamba deep in Peru’s jungleExplorers searched for Vilcabamba, the Inca Empire's final refuge, for decades. Gene Savoy identified ruins at Espíritu Pampa as the likely...17 Aug, 2026, 07.36 PM IST
- In 1954, a meteorite crashed through an Alabama home and hit Ann Hodges - The rare cosmic event that made her the only confirmed meteorite victimThe year 1954 marked a peculiar chapter in history when Ann Hodges became the only verified person to be struck by a meteorite. As it crash...17 Aug, 2026, 12.15 PM IST
- Tokyo used rooftop rainwater and AI-powered spraying to fight extreme urban heat; study finds potential to cool buildings and cut air-conditioning demand and reducing the intensity of heat wavesRooftop rainwater harvesting: Tokyo's rooftops may offer a new strategy for extreme heat management. Rainwater harvesting and roof sprinkli...10 Aug, 2026, 11.46 PM IST
- In 2011, New York tried a simple way to beat peak summer heat by painting rooftops white; here’s how it helped cool citiesIn a proactive initiative starting in 2011, volunteers in New York City painted rooftops white to tackle the challenges of urban heat. This...09 Aug, 2026, 10.15 AM 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
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