Searched for
HOW ELECTRIC FANS WORK
In 1882, an American engineer at the age of 22 invented a device which had a two-bladed propeller placed onto the rotating shaft of a DC electric motor: The story of the first electric fan- In 2025, Monash researchers developed a self-adaptive microporous ceramic; daytime cooling reached 19.5°C below ambient while nighttime overcooling was limited to 3.3°C
- Auto industry must focus on design, domestic value addition for e-mobility transition: H D Kumaraswamy
- This North Carolina student built a science project exploring how dirty water could be turned into a source of power for tiny batteriesPrakhar Purohit created tiny batteries using dirty water for a science project. His innovative idea earned him the 2026 North Carolina Stat...01 Sep, 2026, 11.36 PM IST
- Science says some spiders can launch into the sky using silk and electricity to fly and the physics is wildBallooning is a form of aerial dispersal in which a spider climbs to an exposed spot, lifts its abdomen, releases strands of silk and allow...01 Sep, 2026, 02.54 PM IST
- Science says sharks can hunt in total darkness using electricity: The biology behind their sixth senseA shark does not always need to see a fish to detect that a living creature is nearby. In murky water, beneath the sand or during the final...01 Sep, 2026, 02.51 PM IST
- 14-year-old Kerala girl losing time washing clothes by hand during her Class X exams designed a bicycle-powered washing machine for Rs 2,000 that doesn't need electricityA 14-year-old girl from Kerala turned a household problem into a simple invention when her Class X exams coincided with her mother’s illnes...01 Sep, 2026, 02.16 PM IST
- Heat scorches Spain and the European nation finds an old, traditional hack to find some comfortSpain’s brutal summer heat has revived the traditionalabanico, with Spaniards and tourists using folding hand fans across plazas, public tr...01 Sep, 2026, 12.01 PM IST
- Modi govt giving people high-voltage inflation shock, misleading via statistical jugglery: CongressCongress party has strongly criticised the Modi government, alleging that rising prices are putting pressure on ordinary citizens while acc...01 Sep, 2026, 11.51 AM IST
- Around 1600, a pioneering English physician and natural philosopher invented versorium, the first electroscope, and detected the presence of static electric chargesAround 1600, William Gilbert invented the versorium, the first electroscope, to detect static electric charges. The English physician and n...01 Sep, 2026, 12.57 AM IST
- In 1896, American electrical engineer laid the foundation for modern electric cooking appliances with the invention of revolutionary electric stoveIn 1896, American electrical engineer William S. Hadaway Jr. received the first U.S. patent for an electric stove. His design used resistan...31 Aug, 2026, 11.17 PM IST
- In 2020, Stanford's radiative cooling technology reached a California supermarket roof; panels were estimated to save 15% to 20% energy, while a Tempe bus shelter film was reported 30°F coolerNew technology allows surfaces to cool themselves under direct sunlight. This innovation reflects sunlight and radiates heat into outer spa...31 Aug, 2026, 06.40 PM IST
- In 1996, architects in Harare built a shopping mall modeled on termite mounds; its passive chimney vents kept the interior cool using 90% less energyConstructed in 1996, Harare's Eastgate Center exemplifies innovative design by mimicking the cooling attributes of termite mounds. This vis...30 Aug, 2026, 02.00 PM IST
- In 2020, researchers tested a self-moistening hydrogel mat under solar panels; it cooled them by at least 10°C and boosted output by up to 19%New research introduces a cooling gel for solar panels. This gel absorbs moisture at night and releases it as vapor during the day. The coo...29 Aug, 2026, 06.30 PM IST
- Samantha Ruth Prabhu gained 11 kg during pregnancy. Mom-to-be reveals seven fitness mantras helping her stay fitSamantha Ruth Prabhu recently opened up about her pregnancy journey and wellness practices, sharing personal insights with her followers. S...29 Aug, 2026, 11.14 AM IST
- Dolly Parton grew up with 11 siblings in a tiny log cabin with no electricity or running water. It is now a must-visit tribute to the country music iconDolly Parton grew up with 11 siblings in a tiny one-bedroom Tennessee log cabin, where her family lived without electricity or running wate...26 Aug, 2026, 05.24 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
- Electricity bill reduced by 60%: Woman shares AC setting she claims helped slash monthly bill significantlyA content creator’s two-part AC experiment has sparked discussion after she reported a monthly electricity bill drop from about Rs 3,500 to...24 Aug, 2026, 10.35 PM IST
- Texas used towering wind turbines as accidental frost fans based on a 2019 NASA observation; the result warmed ground temperatures 4–7°F on winter nightsWind turbines can mix warmer air downward during winter nights. This effect is similar to frost fans used in orchards. Satellite observatio...23 Aug, 2026, 11.35 AM 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
Load More
