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EXPLAINED SCI TECH NEWS - Page 5
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: 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
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.
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
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
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
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.
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.
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.
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, 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.
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.
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.
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’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 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.
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.
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
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’ 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
For the first time, 2 new genome-edited rice varieties: Why is this such a major breakthrough for ICAR and India’s agriculture?Subscriber Only
May 4, 2025 12:47 IST
Paddy is critical to India’s food security. The new varieties, which have been developed indigenously using cutting-edge technology, require less water, produce bigger yields, and lower emissions.
World, OpenAI CEO Sam Altman’s new startup, launches in the US: Everything you need to knowSubscriber Only
May 3, 2025 17:39 IST
Formerly known as WorldCoin, World is based on the belief that it will eventually be impossible to distinguish humans from artificial intelligence (AI) agents on the Internet
AI basics | What it means for AI models to ‘reason’, with OpenAI’s ‘smartest’ new o3 and o4-mini models launchedSubscriber Only
April 28, 2025 16:03 IST
In training the models, OpenAI used “reinforcement learning”. How does this method help AI models make better decisions when replying to user questions?
Why the first-ever confirmed image of the colossal squid in deep sea is significantSubscriber Only
April 21, 2025 11:19 IST
The cephalopod was first discovered in 1925 when scientists found arm fragments from two squid in the belly of a sperm whale. Until last month, humans had not seen it in the depths of the Southern Ocean, its natural habitat.
AI Basics | Artificial General Intelligence: What does it mean, what can it do to our lives?Subscriber Only
April 18, 2025 15:42 IST
Will machines take over the world and make us their slaves? What is an ‘intelligent’ machine, to begin with? Science fiction is fun, but it is as yet just that — fiction
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