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Daily news for TNPSC and other Tamil Nadu exams — short, exam-focused, in Tamil and English.
303 stories for “Science & Technology”
Clear filtersThe March equinox occurred on 21 March 2026.It is the moment the Sun crosses the equator from south to north.It marks the start of spring in the Northern Hemisphere and autumn in the Southern Hemisphere.Day and night are...
A study by the US National Institutes of Health (NIH) has found that high cholesterol aids the spread of cancer.Excess cholesterol makes the nuclear membrane – the outer layer of the nucleus – soft and weak.This lets can...
India’s Orange Economy: Pioneering the Creative FutureThe Ministry of Information and Broadcasting (I&B) has launched three landmark initiatives in March 2026 to strengthen India’s Orange Economy (Creative Economy). Thes...
A pilot plant for making Neodymium-Iron-Boron (NdFeB) magnets has been established at the International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI).NdFeB magnets, made from neodymium, iron and...
Scientists using the James Webb Space Telescope have identified a new category of exoplanets covered by global oceans of molten magma.These worlds are neither rocky planets nor water worlds, making them a third class dom...
NASA has confirmed, after fresh observations, that Asteroid 2024 YR4 will not hit the Moon in 2032. Discovered in 2024, the asteroid had earlier been estimated to have a roughly 3.8–4.3% chance of striking the Moon on 22...
Aqua AirX Autonomous Systems has launched Avataar, described as India's first amphibious drone. An amphibious drone can operate both in the air and on water, which allows it to take off from, land on and move across wate...
ISRO has successfully carried out a sea-level hot test of its CE20 cryogenic engine at a thrust level of 22 tonnes. The CE20 powers the C25 cryogenic upper stage of the Launch Vehicle Mark-3 (LVM3), India's heavy-lift ro...
A new study shows that NASA's Double Asteroid Redirection Test (DART) altered the orbit of a whole asteroid system. In September 2022, a spacecraft was deliberately crashed into Dimorphos, a small moonlet circling the as...
India's data centre capacity has grown roughly fourfold, from about 375 MW in 2020 to nearly 1,500 MW in 2025. A data centre is a secured facility that stores, processes and manages large volumes of digital data. India's...
Pi Day, which is also marked as the International Day of Mathematics, is observed worldwide on 14 March every year. The date was chosen because 3/14 matches the first three digits of the mathematical constant π (3.14159)...
The European Space Agency (ESA) has lost contact with the Coronagraph spacecraft of its Proba-3 mission following a power failure.Proba-3 is the first mission to use precision formation flying to study the corona, the Su...
