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ENERGY EFFICIENT REFRIGERATORS
In 1930, Albert Einstein and another physicist patented a refrigerator with no moving parts; why did their invention never reach your kitchen?- The four questions India must ask before its AI data centre boom outpaces its grid
- Google co-founder’s Rs 4,300 crore yacht docked where Spanish Navy refuels: The reason and its refuelling cost will surprise you
- 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...31 Aug, 2026, 07.56 PM IST
- In 2025, researchers built a box from porous PMMA sheets that reflected 96% of sunlight; 80°F outdoor air measured 65.3°F inside without electricityInnovative materials scientists are exploring passive cooling techniques to lessen the demand for air conditioning. They have engineered a ...29 Aug, 2026, 07.40 PM IST
- MIT built a three-layer passive cooling panel of aerogel, hydrogel and reflective material; tests cooled it 9.3°C below ambient and suggested up to 40% longer food storage in humid conditionsResearchers have created a passive cooling system that uses natural processes. This innovative device cools significantly below ambient air...26 Aug, 2026, 03.20 PM IST
- Put 1 tablespoon of baking soda in 1 quart of warm water: University of Georgia Extension says scrub refrigerator door seals, then test them with a $1 billRefrigerator door gaskets often gather dirt, which can impede appliance efficiency. According to recommendations from the University of Geo...25 Aug, 2026, 01.50 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
- A colder fridge setting is not always better; adjusting it by 1°C could reduce energy use by 8 to 11%Lowering your refrigerator’s thermostat beyond what’s required can lead to excessive energy usage. Surprisingly, the ambient room temperatu...17 Aug, 2026, 07.10 PM IST
- This simple aluminum foil and steam freezer trick can loosen stubborn ice in a few minutes, making it easier to scrape away without a knifeExcess frost in your freezer drastically affects its efficiency and leads to frequent need for defrosting. One effective technique is to us...17 Aug, 2026, 07.00 PM IST
- LG Electronics shares jump 5% after robust Q1 earnings. What are Jefferies, other brokerages saying?In the first quarter of FY27, LG Electronics India showcased impressive profit growth alongside significant operational revenue increases f...14 Aug, 2026, 09.47 AM IST
- LG Electronics India Q1 Results: PAT rises 27% YoY to Rs 653 crore; revenue up 15%LG Electronics India Q1 Results: Household appliances maker LG Electronics India reported a 27.2 % year-on-year rise in profit after tax (P...13 Aug, 2026, 08.55 PM IST
- In 1893, a German mechanical engineer invented a high-efficiency compression-ignition engine originally intended to run on alternative fuels but his invention turned popular years after his demise due to financial troubles: How did Rudolf Diesel changed the world?In 1893, Rudolf Diesel published his design for a compression-ignition engine that aimed to improve engine efficiency and reduce dependence...13 Aug, 2026, 02.37 AM 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
- Not with a knife or boiling water: A safer way to remove freezer ice faster, according to appliance guidesIce buildup in freezers reduces cooling efficiency and increases electricity costs. Chipping ice with knives or using boiling water can dam...07 Aug, 2026, 05.07 PM IST
- Rs 9 lakh ‘human refrigerator’ from Japan can cool your body faster than traditional ACsIn a bid to combat extreme temperatures, a Japanese firm has unveiled an innovative 'human refrigerator' booth. This cutting-edge stainless...05 Aug, 2026, 02.30 PM IST
- Over 2,000 years ago, ancient Chinese miners invented deep percussion drilling to extract salt, creating downhole engineering innovations that modern energy industries still depend on todayOver 2,000 years ago, ancient Chinese miners faced a crisis. They desperately needed salt to preserve food. But rich brine sat hundreds of ...27 Jul, 2026, 06.09 PM IST
- In 1902, Willis Carrier invented modern air conditioning after Florida doctor John Gorrie's decades-old cooling idea paved the wayIn 1902, engineer Willis Carrier created the first modern air conditioning system to solve a printing company's humidity problem, forever c...27 Jul, 2026, 05.58 PM IST
- Before turning your AC lower, try these 7 cooling tricks, including using a fanKeeping your air conditioner running efficiently involves simple maintenance tasks. Regularly cleaning or replacing your air filter ensures...24 Jul, 2026, 06.14 PM IST
- Japan's Do Reimon Box, the 'human refrigerator,' cools your body in just 5 minutes; here's why it's becoming the ultimate heatwave solutionJapan developed a walk-in cooling booth for outdoor workers facing extreme heat. This "human refrigerator" targets key body points for rapi...20 Jul, 2026, 04.30 PM IST
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