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RADIATIVE COOLING TECHNOLOGY
In 2023, U.S. scientists created “cooling glass” that reflects 99% of solar energy and radiates building heat toward space- Purdue University created paint so white that a coated surface stayed 8°F below the surrounding air at noon
- 'Sentimental value': In 1953, his Wisconsin grandfather bought a new Allis-Chalmers WD for $2,200, and 62 years later, his grandson found it and brought it back home
- In 2011, UK scientists planned to pump water 1 km into the sky to test solar geoengineering equipment, but the balloon never launchedBritish scientists planned a stratospheric particle injection test in 2011. This project, called SPICE, was cancelled due to patent dispute...01 Aug, 2026, 05.11 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
- In 1909, the Eiffel Tower was set to be demolished. Here's how a radio saved the world's most-visited monumentThe Eiffel Tower was initially intended for demolition after twenty years. Its creators faced significant opposition from artists and write...24 Jul, 2026, 01.59 PM IST
- Not a risk worth taking: Solar geoengineering could put India's monsoon at riskGlobal heatwaves prompt discussions on solar radiation modification technologies. This approach involves significant logistical challenges ...10 Jul, 2026, 11.21 PM IST
- Engage in the solar geoengineering debate: Why India must shape the rules before the sun goes dimSolar radiation modification offers potential climate solutions but demands careful governance. This technology could cool the planet while...10 Jul, 2026, 11.04 PM IST
- LHS 3844b: Scientists find a bizarre 'tidally locked' planet that could host life, but it never has a day or nightA distant planet, LHS 3844b, shows one side perpetually scorched and the other frozen. Researchers suggest its internal geology could circu...10 Jul, 2026, 12.17 PM IST
- Are data centres uncool? Questions over AI's ecological trade-off are growing louder but solutions may be emergingAI's environmental strain from data centers and resource exploitation is causing growing public concern. Communities face water shortages a...09 Jul, 2026, 11.37 PM IST
- These windows keep homes cool by 5°C: Scientists develop special glass that reduces AC use and electricity billsNew transparent cooling technologies are being developed for windows. These advanced coatings reflect unwanted solar heat while allowing in...09 Jul, 2026, 03.29 PM IST
- Orbital plans space data centres to power AI, seeks FCC clearance for 100,000 satellitesA US startup, Orbital, is looking to set up space-based data centres to meet the surging demand for AI computing power. The company aims to...05 Jul, 2026, 09.26 AM IST
- How can a giant planet be lighter than cotton candy? Scientists just found twoA groundbreaking super-puff planet discovery has revealed two giant exoplanets with densities below cotton candy, changing how scientists u...25 Jun, 2026, 10.44 PM IST
- Cleaner city design can cool Barcelona by up to 1.75°C, but new white roofs and parks still cannot offset the more than 6°C warming scientists project by 2100, leaving heat risk high in the neighborhoods that need help mostAmerican cities are facing a deadly surge in heat-related deaths, with fatalities more than doubling since 1999. A new study reveals that w...23 Jun, 2026, 05.02 PM IST
- In 1893, a chemist was silvering double-walled glass for cold gases and made a stubborn flask, which created the thermosIn the pursuit of knowledge, scientist James Dewar engineered an innovative container specifically designed for the exploration of ultra-ch...10 Jun, 2026, 05.21 PM IST
- Ahead of SpaceX IPO, Musk says AI satellites will use mostly existing technologyThe billionaire said that much of the required technology already exists in its current Starlink satellite network. "Part of what we want...09 Jun, 2026, 08.07 AM IST
- Penguin feathers inspired a "living skin" material that could slash energy bills in buildingsResearchers have developed a revolutionary thin film inspired by penguin feathers that passively switches between heating and cooling modes...04 Jun, 2026, 03.30 PM IST
- No AC needed! What is this 'smart paint' developed by scientists that reflects 97% of sunlight & even collects water from air?Scientists have developed an experimental "smart paint" that reflects up to 97% of sunlight, significantly cooling surfaces and reducing th...31 May, 2026, 12.50 PM IST
- Passive cooling to cut electricity billsBengaluru, Oct 2 (IANS) Air-conditioning your building without electricity? Researchers at Stanford University in the US report it is poten...02 Oct, 2017, 11.42 AM IST
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