Physical Science

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Intense solar activity in 2012 could trip mobile phones, GPS

London: Experts predict the Northern Lights will be at their brightest in 50 years in 2012 and could cause disruption of mobile phones, global positioning systems and even national grids. The 2012 aurora will be caused by the solar maximum

Did universe exist before Big Bang?

Scientists may have uncovered evidence that the universe existed before the Big Bang. Concentric circles discovered in cosmic microwave background radiation (CMB)

Alien' planet discovered in our Milky Way

LONDON: European astronomers scanning the Milky Way have discovered a planet near a star of extragalactic origin, implying that it came from outside our own galaxy. The finding, which challenges current understanding about how planets are formed and survive, was made in the so-called Helmi stream

Focus on tech transfer, aid as countries meet ahead of climate change summit

New Delhi: Ahead of the Cancun climate change conference, about 50 countries on Tuesday began discussions to decide on the best mechanism to ensure that existing technologies that help people in adapting to impacts of climate change are shared with countries that are likely to be the worst affected. An …

Thinnest material ever fetches physics Nobel

Stockholm: Two Russianborn scientists shared the Nobel Prize in physics on Tuesday for

Celestial explorers

In the early and mid- 1980s, Doordarshan news would sometimes show pictures of celestial bodies taken by the US spacecraft Voyager 1 and Voyager 2. It changed our worldview. Saturn, Uranus, Jupiter and Neptune were not the vaguely spherical celestial entities depicted in encyclopedia and school textbooks. They had mountains, …

Solar flare to throw earth into chaos in 2013

Scien London, Sept. 21: Scientists have warned that a huge solar flare is due to erupt in 2013, which could paralyse earth, causing blackouts and chaos. They fear that the giant explosion of energy from the sun, a phenomenon which occurs only once every 100 years, could see power grids …

The icons of physics

Physicist Richard Feynman once said, “If you think you understand quantum mechanics, you probably don’t.” Einstein struggled with the quantum demon and his famous sentence, “God does not play dice” is related to these struggles. Quantum mechanics does have this slippery characteristic. And yet quantum mechanics is an incredibly fruitful …

Chandrayaan-2 to get closer to moon

Slated For Launch In 2013, Power-Packed Payloads To Sniff Out Water & More Arun Ram & Srinivas Laxman | TNN Chennai/Mumbai: India

Moon is shrinking; but very, very slowly

Washington: The Moon is shrinking. Not to worry though, lovers and crooners, it won

ISRO to launch satellite next year to study energy bands

Kumar Manish | TNNAhmedabad: ISRO will launch a dedicated satellite next year to observe the wavelength from ultra violet to X-ray emitted from celestial bodies. Speaking on the sidelines of an award function at Physical Research Laboratory, chairman, space commission, and chairman, ISRO, K Radhakrishnan told TOI,

Anybody out there? 140 Earths found

Nasa’s Kepler space probe has found more than just 706 potential new planets — it may also have found five new solar systems. Buried in the deluge of data sent back by the probe are clear signs that at least five of the 150,000-plus stars it has studied may have …

Scientists spot heaviest star, say its losing weight with time

A huge ball of brightly burning gas drifting through a neighbouring galaxy may be the heaviest star ever discovered

Has elusive God particle finally been discovered?

Has the Holy Grail of physics finally been found? The internet is abuzz with rumours that the Fermi National Accelerator Laboratory in Illinois, US, has found the Higgs boson

Unmanned mission to orbit Earth in 13

Sriharikota: Isro will launch an unmanned space mission to orbit around the earth in 2013 as a prelude to its manned mission, to get an idea of the space environment and how the system behaves. Isro chairman K Radhakrishnan told after the successful launch of PSLVC15 on Monday,

Earth much younger than thought

London: The Earth is much younger than previously thought, a new study has suggested. Geologists at Cambridge University have calculated that the planet could have taken far longer to form following the birth of the solar system 4.567 billion years ago than it was previously believed. By comparing chemical isotopes …

PSLV launch successful, 5 satellites placed in orbit

T.S. Subramanian The Indian Space Research Organisation

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