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EXPLAINED SCI TECH NEWS - Page 6
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
Scientists find potential biosignatures in faraway exoplanet. What does this discovery mean for extraterrestrial life?Subscriber Only
April 18, 2025 01:04 IST
K2-18b Discovery, Biosignatures on exoplanet: The latest discovery is the strongest hint yet of biological activity outside our solar system. But this does not mean that we have definitively discovered life beyond Earth.
AI basics: How TPU is different from CPU and GPUSubscriber Only
April 15, 2025 16:43 IST
The field of AI is notoriously filled with jargon. To better understand what is going on, here is a series of explainers, which will break down some of the most common terms used in AI, and why they are important
Katy Perry, all-female crew go to space: Is space tourism worth it?Subscriber Only
April 14, 2025 20:36 IST
As the space tourism industry has grown by leaps and bounds, the concerns — from how expensive the ticket to space is to environmental impacts — around it have also increased
Tracking the world’s forests: how the ESA’s Biomass mission will workSubscriber Only
April 14, 2025 13:39 IST
The satellite is scheduled to lift off on April 29 aboard a Vega C rocket from the ESA’s Korou spaceport in French Guiana
Why Genome India Project mattersSubscriber Only
April 15, 2025 18:19 IST
The genome database will open up the possibility of personalised medicine, and faster and efficient diagnostics. It will also reveal information about the evolutionary history and migrations of population groups within India
‘De-extinction’: Has an American company brought the dire wolf back from the dead?Subscriber Only
April 8, 2025 21:05 IST
De-Extinction Dire Wolf: While Colossal has called the pups it has bred 'dire wolves', it has maintained these are not entirely the same species that roamed the earth ages ago. Are the pups really dire wolves or just gene-edited grey wolves?
ESA’s satellite to monitor forests: Everything you need to know about the upcoming Biomass missionSubscriber Only
April 8, 2025 08:21 IST
The mission will lift off on April 29 aboard the Vega C rocket from Europe’s spaceport in French Guiana. It will be placed in a sun-synchronous orbit (SSO) — a type of orbit in which satellites are in sync with the Sun — at an altitude of around 666 km
Breakthrough Prize 2025: What to know about the awards dubbed ‘Oscars of Science’Subscriber Only
April 21, 2025 11:03 IST
The Breakthrough Prize aims to honour and celebrate scientists, and inspire the next generation of scientists in society. They were founded in 2013.
Explained: How screentime before bed is keeping you awakeSubscriber Only
April 1, 2025 12:55 IST
Previous studies have linked sleep deprivation to a host of physical and mental illnesses, from fatigue and weakened immune systems to anxiety and depression
How Big Tech has shifted focus from AI ‘risk’ to ‘innovation’ and less regulationSubscriber Only
April 9, 2025 14:03 IST
With the release of Chinese AI models, US policymakers have called for an AI action plan, which could see shifts in approach on copyright, access to data, and other contested issues.
What a new study found about the long-term impact of deep sea miningSubscriber Only
March 30, 2025 11:30 IST
The findings have come at a time when there has been a growing demand for establishing a moratorium on all deep sea mining activity
Solar Eclipse 2025: What is a partial solar eclipse?Subscriber Only
March 29, 2025 19:07 IST
Partial Solar Eclipse 2025: What is a partial solar eclipse, when and where will it be visible?
Why Myanmar is frequently rocked by earthquakesSubscriber Only
March 30, 2025 12:45 IST
The quake took place on the Sagaing Fault, which runs north to south through the centre of Myanmar, and is prone to earthquakes.
Myanmar struck by powerful earthquake: What caused the quake?Subscriber Only
March 28, 2025 19:20 IST
Myanmar Earthquake Update: The quake of magnitude 7.7 was the strongest one anywhere in the world in the last two years, USGS data show
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