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Monday, February 23, 2026
TopicBlackholes

Topic: blackholes

Secret behind luminous jets at centre of galaxies solved after 40 yrs, shock waves hold key

Gaurvi Narang -
In a study in the journal Nature, scientists found that particles surrounding blackholes are accelerated by shock waves to nearly the speed of light, that look like luminous jets.

Space is not silent. New NASA audioclip reveals what blackholes sound like

Mohana Basu -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.

When fish do the ‘wave’ to keep predators at bay & bird-like dinosaurs from 100 mn years ago

Mohana Basu -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.

15,000-yr-old viruses found in China & the unique shark intestines that work like a Tesla valve

Mohana Basu -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.

How NASA translated images of galaxies, blackholes into music

Mohana Basu -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.

2 possible gravitational waves spotted, scientists suspect black hole mergers caused both

Mohana Basu -
Gravitational waves — ripples in the fabric of space and time caused by cosmic events — were first predicted by Albert Einstein in 1916.

On Camera

YourTurn

Opinion

Nick Jonas wearing a mangalsutra is validation for many Indians. He’s our favourite jiju

Stela Dey -
Nick Jonas is not trying to modernise the mangalsutra, but his gesture shows that choices can be equal. If commitment must be flaunted, it need not be gendered.

Patel’s 1950 letter to Nehru: Find no legal power to deal with Press or men like Syama Prasad

Everyone’s ‘damaged’ in modern dating. Love will soon be called a mental illness

Economy

In the West, there’s anxiety. In India, optimism—Rishi Sunak says India poised to be leader in AI

Vrinda Tulsian -
On Wednesday, the former UK Prime Minister Rishi Sunak was speaking in New Delhi at a Carnegie & Observer Research Foundation event on AI.

Defence

Suspected brake failure leads to Tejas accident after landing, airframe likely to be written off

Snehesh Alex Philip -
The IAF, so far, remains mum on this accident which has led to grounding of the fleet for safety checks.

National Interest

No country is ever fully sovereign. Cold War era taught India its real meaning

Shekhar Gupta -
India’s fraught neighbourhood places multiple constraints on its strategic choices. It leaves no time to take a deep breath, lean back and reset.

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