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FIRST WORKING ELECTROMAGNET
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
- US, China arm for space warfare: Hunter satellites and orbital weaponsChina and the United States are developing advanced military space capabilities. Both nations are preparing for potential conflict extendin...02 Sep, 2026, 04.06 PM IST
- In 1990, NASA sent a X-ray telescope into space on Space Shuttle Columbia for the first time to perform observations of galactic and extragalactic objects: What was BBXRT?In 1990, NASA sent a X-ray telescope into space on Space Shuttle Columbia for the first time to perform observations of galactic and extrag...02 Sep, 2026, 02.05 AM 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
- 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 1932, a Bell Labs engineer trying to solve mysterious static from transatlantic phone calls that repeated every 23 hours and 56 minutes accidentally discovered radio waves from the center of the Milky WayIn the early 1930s, Bell Labs engineer Karl Jansky embarked on an investigation into transatlantic radio interference. By constructing a la...30 Aug, 2026, 08.03 PM IST
- In 1997, NASA launched Columbia to study undercooled molten metals in microgravity; the STS-83 mission also carried experiments on sintering and fire behaviorThe 1997 mission of space shuttle Columbia was cut short due to problems with fuel cells. However, the crew managed to perform crucial micr...26 Aug, 2026, 07.00 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
- Why a radio telescope can be built from cardboard and aluminum foil: the metal-lined horn reflects radio waves toward a receiverDedicated hobbyists and curious students are assembling radio telescopes from common household objects. These innovative instruments catch ...18 Aug, 2026, 02.10 PM IST
- During the Cold War, this Soviet physicist created an exam so difficult that only 43 candidates passed it in nearly 30 yearsSoviet physicist Lev Landau created a rigorous "Theoretical Minimum" exam for aspiring scientists. This challenging test required deep unde...16 Aug, 2026, 07.00 PM IST
- Trump orders Navy catapult system redesign, replacing state-of-the-art tech with older systemTrump steam catapults: President Trump has directed the US Navy to remove advanced electromagnetic catapults. Older steam-powered catapults...14 Aug, 2026, 08.12 AM 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
- In 1967, US satellites searching for nuclear tests detected mysterious flashes from space. Decades later, scientists uncovered secrets of gamma-ray bursts, which can release more energy in 10 seconds than Sun will emit over its entire 10-billion-year lifetimeGamma-ray bursts, first detected accidentally in 1967, have long puzzled astronomers. Recent observations of their afterglows are now chall...09 Aug, 2026, 06.30 PM IST
- Defence stocks: Time to change strategy? 18 stocks with downside and upside potential from minus 26% to plus 26%When a stock remains in the red for several months, investors naturally begin questioning the investment. Imagine a shipbuilder remaining w...09 Aug, 2026, 02.37 PM IST
- In 1881, a scientist created a device to save the life of the 20th U.S. President and remained unsuccessful but the device has changed the world: How Alexander Graham Bell's metal detector became a global invention?In 1881, a scientist created a device to save the life of the 20th U.S. President and remained unsuccessful but the device has changed the ...28 Jul, 2026, 08.38 PM IST
- Does switching from gas stove to electric reduce gas pollution and help asthma patients? A study has shared some information.Does switching from gas stove to electric reduce gas pollution and help asthma patients? A study has shared some information.25 Jul, 2026, 07.47 AM IST
- Does wrapping your phone in aluminum foil block tracking? The truth behind this viral privacy hackWrapping phones in aluminum foil offers minimal privacy protection. This method causes phones to struggle for network connection and drains...20 Jul, 2026, 02.55 PM IST
- JSW MG Motor launches MG ADAPT, India's first multi-NEV platformJSW MG Motor India has unveiled its new MG ADAPT platform for future vehicles. This innovative architecture supports electric, hybrid, and ...16 Jul, 2026, 04.01 PM IST
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