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EXPLAINED SCI TECH NEWS

Iran, US attacks Iran nuclear sites

US attack on Iran’s nuclear facilities: The radiation leak threat, explainedSubscriber Only

August 22, 2025 13:01 IST

Nuclear facilities, by their very nature, store a lot of radioactive substances. These substances are stored in carefully designed containers and the facilities are constructed in ways to minimise the risk of leaks. An attack can disrupt these safety mechanisms. We explain.

WhatsApp Ad

WhatsApp to introduce ads: All you need to knowSubscriber Only

June 19, 2025 01:24 IST

The rollout of advertisements in WhatsApp’s Updates tab marks a key turning point for a platform that is deeply woven into the social, economic, and political fabric of countries across the world

Police stand guard outside the postmortem room and the Kasauti Bhavan (where the DNA samples are being taken), at BJ medical college in Ahmedabad on Saturday.

Ahmedabad Air India plane crash: How DNA identification worksSubscriber Only

June 15, 2025 14:14 IST

Air India crash victim identification: DNA identification is the gold standard for identifying human remains, especially after mass fatality events in which bodies might not be easy to identify otherwise.

Iran Nuclear Sites

Can Israel’s attack on Iran’s nuclear assets lead to an explosion or radiation leak?Subscriber Only

June 13, 2025 16:19 IST

Israel’s strikes on Iranian nuclear facilities are undoubtedly dangerous. But a nuclear calamity is unlikely

The Dreamliner is a wide-body jet designed for long-haul efficiency.

Air India Flight Crash: History of the Boeing 787 Dreamliner, past safety concernsSubscriber Only

June 13, 2025 10:52 IST

Air India Flight Crash Details Explained: Boeing has called the 787 Dreamliner its "best selling passenger planes" as it offers spacious cabins and large windows. However, multiple safety concerns have been raised in recent years.

Shubhanshu Shukla and Rakesh Sharma

More comfort, safety: How Shubhanshu Shukla’s space travel experience will differ from Rakesh Sharma’sSubscriber Only

June 12, 2025 13:19 IST

In the four decades since Rakesh Sharma became the first Indian to venture into space, technological and scientific progress have dramatically changed space travel.

Axiom-4

Axiom-4: The leak that led to mission delay, how launch windows are decidedSubscriber Only

June 11, 2025 20:14 IST

Axiom 4 Mission Explained: The Axiom mission was supposed to take off at 5.30 pm India time on Wednesday. But during tests on Monday, a leak of liquid oxygen from the Falcon 9 rocket was detected. Here's what this means

Rakesh Sharma

Before Shubhanshu Shukla lifts off, the story of Rakesh Sharma: the first Indian to go to spaceSubscriber Only

June 11, 2025 22:32 IST

Rakesh Sharma space mission: IAF officer Shubhanshu Shukla on Wednesday will become only the second Indian to travel to space after Rakesh Sharma, who did so on an Indo-Soviet mission in 1984. Here’s the story.

tardigrades

Explained: Why scientists study tardigrades, tiny eight-legged ‘water bears’, in spaceSubscriber Only

June 10, 2025 09:00 IST

Tardigrades have been a part of space missions since 2007, when some 3,000 moss piglets hitched a ride to space aboard the European Space Agency’s Foton-M3 mission

Axiom-4

Explained: ‘Realising the return’— how an Indian became part of Axiom-4Subscriber Only

June 10, 2025 08:30 IST

Shortly after the Artemis Accords were signed, Axiom Space, a private US-based space company, invited India to participate in its mission to the ISS

Thunderstorm, hailstorm, Indigo 6E 2142, storm ,

What happened to the IndiGo flight which lost its nose in a hailstorm last month?Subscriber Only

June 10, 2025 17:34 IST

Videos shared by the passengers of 6E 2412 revealed a scary situation, with the aircraft shaking violently amid flashes of lightning in the windows. And upon landing in Srinagar, it was discovered that a large part of the Airbus A321’s nose cone suffered significant damage. Here is what to know

Mount Etna, Mount Etna eruption, massive eruption of italy’s Mount Etna, Indian express explained, explained news, current affairs

What caused the massive eruption of Italy’s Mount EtnaSubscriber Only

June 4, 2025 20:03 IST

Although the eruption created a spectacular sight, it resulted in no reported injuries or damage and barely even disrupted flights in the region.

Eliza

Remembering Eliza, one of the first chatbots: Lessons, warnings it holds for AI todaySubscriber Only

June 2, 2025 17:04 IST

Eliza was unveiled in 1966 at MIT by computer scientist Joseph Weizenbaum. Here's why the chatbot remains relevant today.

Men taller than women, men height, women height, Proceedings of the National Academy of Sciences, SHOX, height, Indian express explained, explained news, current affairs

Why are men taller than women? New study finds a genetic clueSubscriber Only

May 31, 2025 09:00 IST

A new study published Monday in the Proceedings of the National Academy of Sciences has found a partial explanation. It involves a gene called SHOX, which is known to be associated with height.

The tool works much like the “cut-copy-paste”, or “find-replace” functionalities in common computer programmes.

Explained: In a first, how a customised gene-editing tool was used to treat 9-month-old boySubscriber Only

May 27, 2025 11:44 IST

In 2012, scientists Jennifer Doudna and Emmanuelle Charpentier replicated this mechanism found in microbes to develop a gene-editing tool, which they called CRISPR-Cas9

Altman

Altman, former Apple design head Ive join hands to create new ‘family of devices’: What this means in the age of AISubscriber Only

May 25, 2025 15:56 IST

The tech world has taken note of the Altman-Ive partnership as it grapples with another step in AI development: how the technology integrates into an everyday consumer device, and goes beyond being an app on a phone.

asteroid

Why China’s upcoming Tianwen-2 mission could be significant for finding clues about quasi-satellitesSubscriber Only

May 25, 2025 12:02 IST

If successful, the mission will place China in a group of a handful of countries — including the United States and Japan — which have been able to sample asteroids and return the samples to Earth successfully.

Jayant Narlikar being bestowed with the Ranade award in Pune in 2019.

How renowned cosmologist Jayant Narlikar helped build the steady-state theory of the universeSubscriber Only

May 21, 2025 11:43 IST

Cosmologist Jayant Narlikar Contribution: Narlikar’s main contribution was in modifying Einstein’s general relativity equations in a manner consistent with the creation of new matter in the universe.

Prof Jayant Narlikar addressing students during the National Conference on Space in Chandigarh in 2013.

Astrophysicist Jayant Narlikar passes away: What is the Hoyle–Narlikar theory of gravity?Subscriber Only

May 20, 2025 17:00 IST

Astrophysicist Jayant Narlikar Theory Gravity Explained: Narlikar was best known for propounding the Hoyle–Narlikar theory of gravity (also known as conformal gravity), which sought to improve on Albert Einstein's General Theory of Relativity.

ISRO 101st launch failure: PSLV-C61 rocket carrying Earth Observation Satellite (EOS-09) lifts off from the first launch pad, in Sriharikota, Sunday, May 18, 2025. After a precise liftoff, Chairman V Narayanan said that the mission could not be accomplished as planned.

ISRO’s 101st satellite launch fails: Recalling the only two other instances when ‘workhorse’ PSLV failedSubscriber Only

May 18, 2025 16:15 IST

ISRO 101st launch failure, PSLV-C61 mission failed: Since their introduction in the 1990s, the PSLV rockets have only failed twice – the first during the inaugural flight in 1993 and in 2017, when the C-39 mission was unsuccessful.

AI hallucination

AI basics | OpenAI’s latest AI models report high ‘hallucination’ rate: What does it mean, why is this significant?Subscriber Only

May 15, 2025 11:30 IST

Hallucination has been an issue with AI models from the start, and big AI companies and labs, in the initial years, repeatedly claimed that the problem would be resolved in the near future. However, it now seems that the issue is here to stay.

weather balloon

NOAA slashes its weather balloon launches: Why is this significant?Subscriber Only

May 15, 2025 13:05 IST

Twice a day, about 900 weather stations around the world launch weather balloons in a coordinated international programme to measure conditions in the upper atmosphere. The launch takes place at 0000 UTC (Coordinated Universal Time) and 1200 UTC.

Songar

What are Turkish Songar drones, used by Pak to attack India?Subscriber Only

May 10, 2025 05:16 IST

Designed and manufactured by Turkey-based defence company Asisguard, Songar drones were first launched in April 2019, and delivered to the Turkish Armed Forces (TAF) after successful completion of their testing in February 2020

space

Soviet-era spacecraft, launched 50 years ago, to crash back to Earth: Should you be worried?Subscriber Only

May 8, 2025 08:48 IST

The part, which is from the Kosmos 482 mission, was supposed to land on Venus but could not as something went wrong with the spacecraft, and it failed to finish its mission

Experts Explain: AI as ‘normal’ technology

Experts Explain: AI as ‘normal’ technologySubscriber Only

May 6, 2025 17:20 IST

It will take decades, not years, for artificial intelligence to transform society in the revolutionary ways that big developer labs and companies have been predicting, say AI researchers at Princeton University. AI, they argue, is a general-purpose technology like electricity which will not make human labour redundant

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