Chethan Kumar

Why India's Fast Breeder Reactor going critical is so important

A reactor that makes more fuel than it burns has just come to life at Kalpakkam on India’s southeastern coast, and it could help reshape the country’s energy future

Artemis Shows It’s No Time To Be Moony

As Artemis II sends four humans towards lunar orbit for the first time in 53 years, the question for New Delhi is no longer whether to dream big in space – but whether it is moving fast enough

A fake name was enough to make an AI agent hand over the full system

In a sealed lab, when researchers gave AI agents memory, messaging access and the power to run code, what followed wasn’t a single crash, but a series of unsettling failures — from leaked secrets to wiping complete systems

Article image for: AI knows how caste works in India. Here’s why that’s a worry

AI knows how caste works in India. Here’s why that’s a worry

In tests, AI models assign high-status jobs to upper caste names and menial work to marginalised castes. The bias, experts have found, is embedded in how it teaches itself to see the world. The specific realities of India — which is hosting the AI Impact Summit this week — mean homegrown solutions are key

Article image for: Why 3 setbacks in a year have hurt ISRO's confidence

Why 3 setbacks in a year have hurt ISRO's confidence

A difficult year has dented confidence, but there’s also chance for the space agency to pause, fix what went wrong, and come back stronger

Article image for: Ambition Alone Won’t Secure India’s Orbits

Ambition Alone Won’t Secure India’s Orbits

Limited launch capacity, slipping timelines and rising dependence on foreign rockets reveal a widening gap between India’s space goals and its ability to deliver them

Article image for: Tejas first flew 25 years ago — and taught India what it takes to build a fighter

Tejas first flew 25 years ago — and taught India what it takes to build a fighter

On Jan 4, 2001, the made-in-India jet took off on its first test flight. The story of its development features a long list of characters, and cameos by industrialists Ratan Tata and Rahul Bajaj

Article image for: How India plans to build its own home 300km above Earth

How India plans to build its own home 300km above Earth

India’s space story is just taking off, with missions charted for decades ahead. From human spaceflight to lunar habitats that will serve as stepping stones for Mars, here’s what’s in store for our space programme, as discussed during a recent closed-door meet of the Department of Space

Article image for: Scientists discover how chocolate gets its fine taste. Why it's a key breakthrough

Scientists discover how chocolate gets its fine taste. Why it's a key breakthrough

A new study claims to have cracked how to make consistently fine-flavoured chocolate – a special mix of microbes is helping researchers recreate flavours of Colombian cocoa in a lab

Article image for: How a satellite 36,000km away can help save lives on the ground

How a satellite 36,000km away can help save lives on the ground

Lightning bolts claim more lives in India than many other natural disasters. Now, an Isro team is using satellite data to give a forecast nearly three hours before a lightning strike

Article image for: Rare PSLV Failure Is A Setback, But Isro Will Bounce Back

Rare PSLV Failure Is A Setback, But Isro Will Bounce Back

Still boasting a 93.7% success rate, the space agency’s workhorse for over three decades is expected to return to the launchpad soon

Article image for: Where Are India’s Eyes In The Sky?

Where Are India’s Eyes In The Sky?

Pakistan has access to China’s military space capabilities. Indian armed forces lack a dedicated satellite system. Pahalgam is a reminder that New Delhi must upgrade its satellite-based surveillance network

Article image for: This IAF pilot is about to make history as India’s first astronaut on the ISS

This IAF pilot is about to make history as India’s first astronaut on the ISS

Group Captain Shubhanshu Shukla is set to become the first Indian to fly to the International Space Station as part of the Axiom-4 mission. His SpaceX flight marks a major step forward for India’s human spaceflight ambitions

Article image for: What Suni & Every Other Astronaut Endure Up There

What Suni & Every Other Astronaut Endure Up There

How did two space travellers survive & thrive in a space station 9 months past scheduled departure? Thanks to scientific & psychological tools developed by superb global R&D

Article image for: It’s Time India Stopped Hiding Its Fab Four

It’s Time India Stopped Hiding Its Fab Four

Astronaut-elects are ambassadors whose experiences can inspire young minds. But the Indian approach is to bar them from engaging with public. It makes no sense. US & others all celebrate their astronauts

Article image for: Post Dock: For Isro, 2025 May Be Lift-Off Year

Post Dock: For Isro, 2025 May Be Lift-Off Year

Space agency’s successful docking of satellites in orbit yesterday set off a calendar of ambitious missions. Alongside, emergence of pvt players could well be the game-changer for the sector

Article image for: ‘Strength only respects strength. Isro’s team strength and teamwork have always been its success mantra’

‘Strength only respects strength. Isro’s team strength and teamwork have always been its success mantra’

New Isro chief V Narayanan talks about the space agency’s work culture and missions that will help India become a space superpower

Article image for: SpaceX Marks A Spot That Isro Has Its Sights On

SpaceX Marks A Spot That Isro Has Its Sights On

Musk’s company took a giant step forward in reusable rocket tech. India’s space agency is at least a decade behind. But its ambitions and capabilities are in lift-off stage

Article image for: How first Indian astronaut in 40 years is prepping for space visit in 2025

How first Indian astronaut in 40 years is prepping for space visit in 2025

From science experiments to safety drills, IAF’s Shubhanshu Shukla is going through the paces in US for his trip to the International Space Station

Article image for: Without funds, innovators are grounded in space

Without funds, innovators are grounded in space

Thought for National Space Day: GOI’s proposed ₹1k cr for space startups is too little to make a difference for India in a complex global market

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