Columbia Engineering built a pigment-free paint filled with microscopic air pores; it stayed 6°C below surrounding air during hot desert tests in ArizonaResearchers at Columbia University and Purdue University have unveiled an experimental paint-like coating that can cool surfaces to tempera...
25 Aug, 2026, 02.50 PM IST
Illinois researchers tested a passive cooling film in Houston; treated metal roofs measured more than 40°F cooler in direct sunlightAs American summers heat up, public health risks escalate, prompting researchers to create an innovative coating that cools metal roofs by ...
25 Aug, 2026, 02.40 PM IST
In 2019, University of Maryland researchers stripped lignin from wood; the resulting cooling material stayed 12°F cooler than natural wood in an Arizona testScientists developed engineered wood to reflect sunlight and release heat. This material stayed cooler than natural wood when exposed to su...
25 Aug, 2026, 02.20 PM IST
In 1997, America's last bismuth refinery shut down. 29 years later, the metal is crucial to a 240-MW nuclear reactor whose coolant supply is 82% ChineseA proposed American nuclear reactor, EAGL-1, will use liquid lead-bismuth coolant. China currently dominates global refined bismuth product...
25 Aug, 2026, 12.46 AM IST
Philadelphia painted black pavement with a light-coloured coating to fight extreme heat. A year later, researchers found one clear differenceTo tackle urban heat island effects, Philadelphia is trialing cool pavement solutions. In Hunting Park, a reflective light-colored coating ...
24 Aug, 2026, 08.45 PM IST
IIT Delhi engineer develops fridge that runs without truck engine, cuts cooling costs by 75%A post on X has highlighted Yotuh Energy, a company co-founded by IIT Delhi biotechnology graduate Shaivee Malik, which has developed a bat...
23 Aug, 2026, 01.01 PM IST
A Manhattan office building began freezing water at night; the stored ice now helps cool it during peak summer demandIn the heart of Manhattan, Eleven Madison Avenue has adopted an innovative cooling method utilizing an ice battery. This system freezes wat...
23 Aug, 2026, 12.29 PM IST
Long before air conditioners, Americans used ‘white gold’ and other clever methods to keep themselves coolIn a time before air conditioning, Americans became innovative in their quest to stay cool. Architectural elements like high ceilings and s...
21 Aug, 2026, 07.54 PM IST
Stanford ran water beneath mirror-like rooftop panels; they cooled it 3–5°C below the surrounding air by sending heat into spaceResearchers at Stanford have created innovative panels that cool water exclusively using sunlight and mirrors. These panels effectively ref...
21 Aug, 2026, 01.00 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
In 2024, scientists tested a zigzag-shaped wall prototype; it was up to 3.1°C cooler than a conventional radiative-cooling wall in outdoor testsEngineers have created a groundbreaking zigzag wall that cools itself through a unique design. This structure lowers its temperature by dir...
19 Aug, 2026, 02.30 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
A cement-based paint that "sweats" water kept a model house more than 4.5°C cooler than conventional white paintInnovative researchers have unveiled a remarkable paint designed to keep buildings cooler by absorbing moisture. This advanced formula not ...
18 Aug, 2026, 06.40 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
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