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HOW TO COOL A ROOM WITHOUT AC
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- A 1960s house in South London is staying 10C cooler than outside without air conditioning during extreme heat. It acts like an insulated flask maintaining a cooler temperature indoors by keeping heat outsideA 1960s ex-council house in south London stayed 10C cooler than outside during a 35C day without air conditioning. Architect Marion Baeli s...22 Aug, 2026, 03.25 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 2025, SAXON Q demonstrated a 4-qubit quantum computer running at room temperature in Germany. 2 years later, the startup opened orders for 128-qubit and 512-qubit systems that fit inside ordinary server racksIn 2025, German startup SAXON Q demonstrated a 4-qubit quantum computer that worked at room temperature. Now, the company is moving much fu...20 Aug, 2026, 11.30 PM IST
- How to open a coconut without hammer: 5 clever methods to break the hard shell at homeHow to open a coconut without hammer: Cracking open a coconut doesn’t require a hammer. You can use common household items instead. Techniq...20 Aug, 2026, 11.58 AM IST
- Placing aluminium foil on windows: How this simple home trick works, its benefits and the right way to use it to keep rooms cooler in summersUsing aluminum foil to cover windows can efficiently reflect sunlight and minimize heat accumulation indoors. This budget-friendly trick se...19 Aug, 2026, 09.53 PM IST
- Exicom makes India’s first liquid-cooled EV charger modulesExicom Tele-Systems is now manufacturing liquid-cooled power modules for EV chargers. This new production facility in Hyderabad will serve ...19 Aug, 2026, 02.39 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 2024, scientists built a window that kept a model house about 7°C cooler, without electricity or blocking the viewEngineers in South Korea have developed an innovative smart window that cools spaces sans electricity. This remarkable glass not only refle...19 Aug, 2026, 02.10 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
- A fridge in the wrong part of your home may quietly consume more electricity; researchers explain whyRefrigerator placement significantly impacts household electricity bills. Room temperature around the appliance is the primary driver of en...18 Aug, 2026, 01.00 PM IST
- Voltas shares in focus after Q1 profit surges 52%. Buy, Sell or Hold?Voltas reported a strong Q1 FY27, with consolidated net profit rising 52% YoY to ₹213 crore and revenue growing 19% to ₹4,673 crore. Howeve...17 Aug, 2026, 09.22 AM IST
- How to cool down a hot car quickly without overworking the AC: Try this simple trick before you start drivingTo efficiently cool down hot cars, start by opening windows and a door on opposite sides to encourage airflow. Additionally, roll down the ...14 Aug, 2026, 06.14 PM IST
- In 2023, U.S. scientists created “cooling glass” that reflects 99% of solar energy and radiates building heat toward spaceA team of engineers at the University of Maryland has unveiled a revolutionary rooftop glass coating that offers remarkable cooling propert...10 Aug, 2026, 05.29 PM IST
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