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In 1896, a French physicist accidentally discovered radioactivity after leaving uranium crystals on photographic plates wrapped in black paper inside a dark drawer- 17-year-old student turns food waste into biodegradable paper towels: How his innovative project could give everyday waste a new purpose
- In 2025, researchers extracted superabsorbent gel from discarded diapers and tested it in sandy soil, where it showed water-retention potential similar to a commercial hydrogel
- 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
- Every day, 50,000 litres of polluted water flow from South Africa's Stiebeuel River into natural filter beds, where stones, sand and biochar clean it in 5 days, removing 99% of harmful bacteria and creating water for irrigationResearchers in South Africa are using a nature-based filtration system to treat polluted water from the Stiebeuel River in Franschhoek. At ...19 Aug, 2026, 01.05 AM 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
- Crompton banking on premiumisation, new categories to drive growth: MD Promeet GhoshCrompton Greaves Consumer Electricals is expanding its total addressable market significantly. The company aims to nearly double its revenu...18 Aug, 2026, 06.23 PM IST
- Our Milky Way devoured a galaxy 11.8 billion years ago. Another crash may happen in 4.5 billion yearsThe Milky Way swallowed a smaller dwarf galaxy about 11.8 billion years ago, marking the earliest known merger in its history. Scientists u...18 Aug, 2026, 03.40 PM IST
- Why is aluminium foil wrapped around cryogenic tanks? Reflective layers help reduce radiant heat that can warm super-cold liquidsIn cryogenic tanks, thin reflective layers are essential for preventing heat transfer. The use of aluminum foil, known for its low emissivi...18 Aug, 2026, 02.20 PM IST
- Why emergency blankets look like giant sheets of foil; a thin metallic coating reflects radiant heat toward the bodyEmergency blankets are designed to reflect radiant heat, effectively helping to maintain body warmth. This innovative technology has its ro...18 Aug, 2026, 02.00 PM IST
- The ET Startup Awards 2026: Nominees for Best on Campus and Comeback KidHappy Tuesday! We are excited to bring you the 12th edition of The Economic Times Startup Awards (ETSA). In the run-up to the coveted honou...18 Aug, 2026, 11.02 AM IST
- New-age firms cushion Q1 raw material, diesel cost shock with price hikes, efficienciesNew-age consumer and logistics firms managed cost increases during the April-June quarter. Strong sales growth and selective price hikes he...18 Aug, 2026, 07.43 AM IST
- A road in Surrey could soon send its summer heat 100 metres beneath the surface, store it underground and bring it back during winter, turning geothermal energy into a defense against potholesWhat if roads could store summer heat and use it to prevent winter damage? A University of Surrey trial is exploring exactly that. Its geot...17 Aug, 2026, 09.38 PM IST
- Morocco swapped scorching black asphalt for porous “sponge” pavement; the experimental surface ran up to 16°F cooler, offering cities a surprising new way to beat urban heatMorocco is testing permeable “sponge” pavement in selected urban areas of Marrakech and Agadir as cities look for ways to manage extreme he...15 Aug, 2026, 10.50 PM IST
- 2 New Orleans students crushed millions of discarded bottles into recycled glass sand to fight coastal erosion; the result transformed Louisiana's sinking marshes by anchoring new grass and helping rebuild one of America's most vulnerable coastlinesTwo New Orleans students saw a problem hiding in plain sight: discarded glass had little practical recycling value in their city, while Lou...12 Aug, 2026, 11.17 PM IST
- German scientists create a material that can pull drinking water from dry air—even at 18% humidityInnovative German researchers have unveiled a groundbreaking material capable of extracting water directly from the atmosphere, even in ari...11 Aug, 2026, 05.27 PM IST
- In 2025, Harvard University developed a chemical coating for insecticide-treated bed nets that blocks malaria parasites inside mosquitoes instead of killing the insects. It produced a breakthrough that could fight malaria without increasing insecticide resistanceScientists have discovered novel compounds that prevent the transmission of malaria parasites in mosquitoes. These innovative chemicals can...10 Aug, 2026, 10.56 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
- 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°CResearchers from China have pioneered a groundbreaking asphalt composite integrated with superabsorbent polymers aimed at cooling city envi...08 Aug, 2026, 07.04 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
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