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ELECTROMAGNETIC ROTATION
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
- Science says microwaves don’t really cook food from the inside out, here’s what happens inside the ovenMicrowaves bounce off the metal walls inside the oven, and when the reflected waves interact with incoming waves, they can create areas of ...01 Sep, 2026, 10.28 PM 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
- Astronomers looked into the void of space—and watched light do something unthinkableAstrophysicists detected light polarization around a distant magnetar. This observation confirms a quantum vacuum hypothesis from nearly ni...18 Aug, 2026, 08.41 PM IST
- For the first time, researchers reached a region near a Black Hole once beyond studyA powerful black hole collision has opened a new chapter in space science. Scientists used the loudest gravitational wave signal ever detec...25 Jun, 2026, 11.19 PM IST
- In 1831, Michael Faraday noticed a tiny needle twitch: And discovered the hidden force behind modern electricityIn 1831, visionary scientist Michael Faraday made a pivotal discovery: the relationship between changing magnetism and electric current. Th...22 May, 2026, 03.45 PM IST
- Dust devils create electrical sparks and mini-sonic booms on Mars; watch NASA's video hereNASA's Perseverance rover has captured audio and electromagnetic recordings of electrical discharges and mini-sonic booms within Martian du...08 Dec, 2025, 11.42 PM IST
- Study suggests airport radars may be revealing Earth's presence to AliensA new study reveals that Earth's radar systems, used at airports and military bases, unintentionally broadcast our presence to extraterrest...09 Jul, 2025, 09.26 PM IST
- Is Russia planning to detonate a nuclear bomb in space? Here is everything you need to knowRussia had launched a satellite into space in 2022. Many suspect that it could be a nuclear weapon. This has raised questions pertaining to...09 Jul, 2024, 01.28 AM IST
- The Universe's Greatest Mystery: A substance that occupies 85% space yet remains invisibleDark matter, a mysterious and invisible form of matter, constitutes 85% of the total mass of the universe. Despite its prevalence, its comp...06 Nov, 2023, 05.00 PM IST
- After Chandrayaan, ISRO now gearing up for its solar mission with Aditya in Aud-end, SeptIndia's Aditya-L1 solar observatory is set to launch at the end of August, having arrived at Sriharikota spaceport after development at the...14 Aug, 2023, 05.30 PM IST
- Bengalurean’s anti-cancer kit a breakthrough: USThe US Food and Drug Administration (FDA)’s Centre for Devices and Radiological Health has designated a medical invention by a Bengaluru-ba...12 Nov, 2019, 10.35 AM IST
- Electric Generator: A basic introduction to how generators work, their features and applicationsGenerators work on the principle of electromagnetic induction and are used as standby power sources in homes, shops, offices, etc.15 May, 2019, 06.19 PM IST
- Generator Alternator: What it is and how does it workA generator alternator contains an assembly of both moving and stationary components encased in a protective housing.26 Apr, 2019, 12.58 PM IST
- AC Single Phase Generators: Gensets that are useful for powering small appliancesAC Single Phase gensets are extremely useful in remote areas and in construction sites where regular power supply is not easily available26 Apr, 2019, 12.13 PM IST
- AC Three Phase Generators: What they are and how do they workAn AC three-phase generator is a very powerful energy source that hosts many features and has a wide range of applications.26 Apr, 2019, 11.49 AM IST
- Indian telescope measures star in Taurus constellationBengaluru, Nov 7 (IANS) India's multi-wavelength space telescope AstroSat had measured the X-ray polarisation of the Crab pulsar (star) in ...07 Nov, 2017, 01.32 AM IST
- June 30 will have an extra second: NASAUTC is "atomic time" - the duration of one second is based on extremely predictable electromagnetic transitions in atoms of cesium.29 Jun, 2015, 02.33 PM IST
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