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India could achieve quantum communication using satellite by 2030, says IIT-Delhi Professor
India could be technologically capable of “quantum communication” using satellites in the “next half a decade” Professor Bhaskar Kanseri of the Indian Institute of Technology (IIT)-Delhi, whose team recently reported an instance of quantum key distribution one kilometre apart — the farthest such transmission in India, without any connecting cables — told The Hindu in … Read more
Air bubbles trapped in ice can store messages in cold places
Close-up view of air bubbles in a variety of shapes frozen inside a mass of ice. | Photo Credit: Dominic Bazinet/Unsplash For as long as humans have lived, they’ve found ways to store information for others to find. Cave paintings were perhaps the first examples, followed later by messages in bottles, semaphore, books, persistent URLs, … Read more
Is it a moon? Is it a dwarf planet? Well, it’s Charon, and it could well be both!
Charon’s discovery The story of Charon’s discovery takes us back to 1978 – a time when even astronomers were still thinking that Pluto was a planet. Little was known about Pluto and its system, but all that was about to change in the decades that followed. On the morning of June 22, American astronomer … Read more
Yeast shows physics can give rise to multicellular life sans mutations
By the time Nishant Narayanasamy joined Shashi Thutupalli’s lab at the National Centre for Biological Sciences (NCBS) in Bengaluru in 2019, the lab had a new guest: a yeast colony that had seemingly grown way beyond its expected size. The snowflake yeast had been shipped from William Ratcliff’s laboratory at the Georgia Institute of Technology … Read more
Warming will cut yield of staple crops even post-adaptation: study
A farmer works at a maize field in a village bordering Andhra Pradesh and Telangana, April 20, 2025. | Photo Credit: G.N. Rao/The Hindu For every 1º C rise in average temperature worldwide, the per person availability of calories will fall 4% of what’s recommended by 2100. Most major staple crops, including rice, wheat, sorghum, maize, and … Read more
Why is the El Niño so hard to predict?
The conditions required for a clear ENSO signal only emerge in early summer, so forecasts before then quickly lose value. | Photo Credit: Joshua Eckl/Unsplash A: The El Niño Southern Oscillation (ENSO) is a climate phenomenon with three phases: warm, cool, and neutral. Depending on the phase in a year, ENSO affects the climate in … Read more
HAL wins ₹511-crore deal to build, own and commercialise SSLV launches
ISRO’s Small Satellite Launch Vehicle-03 (SSLV-D3) leaves a trail of smoke after it lifts off from the Satish Dhawan Space Centre in Sriharikota on August 16, 2024. Photo: X/@isro via PTI The Hindustan Aeronautics Limited has bagged a Transfer of Technology (ToT) deal, valued at ₹511 crore, from the Indian Space Research Organisation, to build … Read more
Quantum challenge: On IIT-DRDO demonstration of quantum key-distribution scheme
Scientists from IIT-Delhi and the DRDO recently demonstrated a key advance in quantum cybersecurity that stands to revolutionise how the world will communicate in the future. The world’s secrets are currently stored and communicated via channels that are protected by difficult mathematical problems. Over the years, an increasing amount of computing power available to certain … Read more
What are hypnic jerks? The curious case of bedtime kicks!
Feeling like falling Ever experienced the illusory sense of falling? When you fall asleep, you feel you’re entire body drop as the air screams past you. You may or may not know what caused this in the first place. You might have been standing on a solid floor when the ground unexpectedly gave out. You … Read more