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MODERN ELECTRICAL TECHNOLOGY
A curious bookbinder from London in 1821 placed a current-carrying wire near a magnet and made it continuously rotate - a seemingly simple experiment by the devout Christian uncovered the principle behind the electric motor and helped set the course for modern electrical technology- In 1824, an English engineer invented the first working electromagnet laying the foundation for modern electrical engineering
- In 1834, an American blacksmith along with his wife built the first practical DC electric motor, creating a blueprint for modern electrical machinery
- 145 years of physics overturned as sideways Hall effect breakthrough promises to rip apart textbooks & supercharge the next wave of quantum techResearchers have overturned a century-old physics rule about magnetic field detection. They engineered a custom quantum material to trigger...03 Sep, 2026, 08.41 PM IST
- Hindustan Zinc secures mining lease for rare earth element block in KarnatakaHindustan Zinc has secured a mining lease for rare earth elements in Karnataka. The Gundlupet block in Chamrajnagar District covers over 31...03 Sep, 2026, 05.38 PM IST
- For over a 100 years, diamonds were considered incapable of producing electricity — one new experiment in Hong Kong has changed thatScientists have discovered ultrathin diamond membranes can generate electricity. This occurs when these flexible diamond films are mechanic...03 Sep, 2026, 12.56 AM IST
- 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 fanIn 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 el...02 Sep, 2026, 10.48 PM IST
- In 1997, NPS installed 3 solar hot-water systems at Oklahoma’s Chickasaw park. 2 years later, the largest system supplied 18,194 kWh annually, replacing electric heatingIn 1997, the National Park Service replaced electric heaters at Oklahoma’s Chickasaw National Recreation Area with three solar hot-water sy...02 Sep, 2026, 08.35 PM IST
- Earlier in 2026, WSU researchers heated and pressurized sewage sludge with oxygen, producing 200% more renewable gas. Now the process cuts treatment costs from $494 to $253 per tonWSU researchers treated sewage sludge under high temperature and pressure while introducing oxygen. Under those conditions, the relatively ...02 Sep, 2026, 02.01 AM IST
- Renault moving at 'speed of high-speed train' for Indian market, says CEO Stephane DeblaiseRenault is rapidly expanding its Indian market presence with new vehicle models. The company plans to introduce factory-fitted CNG and upda...01 Sep, 2026, 11.25 AM IST
- In 2006, Portland converted 45,000 streetlights to LEDs. 20 years later, its streetlights and signals use 66% less energy and save the city $1.5 million every yearTwo decades after 2006, Portland’s lighting story offers a useful lesson for cities considering their own energy transitions. The important...01 Sep, 2026, 03.32 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
- Quote of the day by Nikola Tesla: 'A new idea must not be judged by...' Life lessons from inspiring quote on true innovations, real value, patience, persistence, and long-term visionQuote of the day by Nikola Tesla, “A new idea must not be judged by its immediate results,” explains why new ideas need time before their v...31 Aug, 2026, 10.03 PM IST
- In 1905, Einstein unlocked a mystery of light that seemed almost impossible, unknowingly laying the foundation for smartphone cameras, solar panels, burglar alarms and technologies yet to comeAlbert Einstein explained the photoelectric effect in 1905. This interaction of light and matter powers many modern devices. His theory rev...31 Aug, 2026, 02.17 PM IST
- In 1990, a rural Idaho community of 17 homes made one final phone call. It marked the end of America's last known hand-cranked telephone systemIn July 1990, a small community in Idaho’s remote Salmon River Canyon said goodbye to a telephone system that had survived for decades. Sev...28 Aug, 2026, 06.25 PM IST
- Digitisation of processes not reform, simplify governance to boost growth: EAC-PM member SanyalSanjeev Sanyal stressed that true reform simplifies governance, not just digitisation. Operational bottlenecks must be identified and redes...28 Aug, 2026, 11.51 AM IST
- In 2008, University of Michigan researchers won a $2 million grant to make parked EVs feed power back to the grid. 18 years later, some firms have reached commercial offerings, turning some parked cars into grid-connected batteriesIn 2008, University of Michigan researchers received a $2 million grant to test a simple premise: drawing power back from parked vehicles. ...26 Aug, 2026, 08.51 PM IST
- This 84-year-old Honda engineer looks like Einstein and has 50+ patents: Meet Shotaro Odate behind smart steering-wheel techShotaro Odate, a Honda engineer whose distinctive Einstein-like appearance has drawn attention online, is associated with more than 50 pate...25 Aug, 2026, 01.45 PM IST
- A Scottish inventor patented an image-transmission machine in 1843. More than a century later, it would become the office fax machineA Scottish inventor patented an image-transmission machine in 1843. More than a century later, the technology would evolve into the fax mac...24 Aug, 2026, 08.17 PM IST
- In 1800, an Italian physicist came up with the first chemical battery of the world unlocking modern electrical science: How Alessandro Volta invention created history?In 1800, an Italian physicist came up with the first chemical battery of the world unlocking modern electrical science. Alessandro Volta in...20 Aug, 2026, 10.52 PM IST
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