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 …

Debates on atom

Put simply, entanglement means two things are forever connected no matter the distance between them once they interact. Physicists, of course, explain it with different words and the concept is considerably more complicated than this definition. In 1935 Albert Einstein, Boris Podolsky and Nathan Rosen said, “According to the quantum …

Science And Technology - Briefs

HealthDirty truth If you stop your children from eating mud, read this. Craving for earth—geophagy—can be one of the natural ways to protect stomach against pathogens. After studying 480 reports and analysing theories that geophagy is driven by hunger and for nutrients in the soil like iron, zinc or calcium …

Longest and darkest total lunar eclipse tonight

The longest and darkest total lunar eclipse of the century will occur on Wednesday midnight, giving sky enthusiasts all over the country an opportunity to witness the event. An unusually long lunar eclipse with the moon immersed deeply inside the umbral (darker) shadow of the earth will occur, Nehru Planetarium …

Where is antimatter?

JUST after the Big Bang, about 14 billion years ago, the universe was packed with equal amounts of matter and antimatter. Antimatter contains the same set of subatomic particles as matter but with opposite charges. Protons have antiprotons; neutrons, antineutrons; and electrons, antielectrons. When the two come in contact, they …

Get set for surreal view of the moon

New Delhi: The heavens have lined up what promises to be a surreal experience on the night of June 15/16

Endeavour takes off on its last voyage

In a second attempt and a less ceremonious event, Nasa's space shuttle Endeavour finally launched owards space from Kennedy Space Centre in Florida. It was originally supposed to lift off on 29th April in a high-profile aunch attended by the Oba mas, when the countdown to launch halted abruptly minutes …

Robot boat to look for life on Saturn moon

London: British scientists, along with Nasa, are planning to build the first

In honour of Galileo

As night fell on April 14, the lawns of the American Academy in Rome twinkled with candles. They represented an exact replica of the stars that would have been visible on the same day in 1611 when Galileo Galilei first demonstrated his telescope to scholars on a Roman hilltop. Four …

When the sun flares up

ON FEBRUARY 13, the sun unleashed a massive solar flare. Three more followed on March 7, 9 and 19. Flares originate from sunspots—areas on the sun’s surface that have high magnetic activity. These flares and other activities of the sun throw ionised gases or plasma towards the earth. The plasma …

Solar systems early rocks looked like candy floss

Planetary scientists claim to have discovered evidence that the earliest rocks in the solar system were fragile and akin to candy floss rather than the hard rock as people know today. An international team, which included Curtin University, Imperial College London and Liverpool University, has provided the first geological evidence …

Most powerful rocket gets ready for 2013 liftoff

Washington: A high-tech entrepreneur unveiled plans to launch the world's most powerful rocketsince man wentto the moon. Space Exploration Technology has already sent the first private rocket andcapsule into Earth's orbit as a commercial venture.Itis now planning a rocket that could lift twice as much cargo into orbit as the …

Liquid water found on frozen comet

Washington: Planetary scientists claim to have for the first time found concrete evidence for the presence of liquid water in a comet. A team, led by Arizona University in the United States, says the finding has shattered the current paradigm that comets never get warm enough to melt the ice …

God particle found? Or is it natures new force?

Bump In Data Suggests US Atom Smasher Has Made A Spectacular Discovery, Physicists Hold Their Breath Physicists at the Fermi National Accelerator Laboratory are planning to announce they have found a suspicious bump in their data that could be evidence of a new elementary particle or even, some say, a …

TN soon to have biggest magnet

The ministry of environment and Forests (MoEF) has cleared the construction of India

Clearing up space junk, one piece at a time

As the cloud of orbiting junk shrouding the Earth grows ever denser, the most sophisticated garbage collectors of all time are taking shape.

Satellite link

The spacecraft, Chandrayaan-1, carried a verse from the Rig Veda: you enlighten us through the right path. In Moon: A Brief History, German writer Bernd Brunner details humankind’s century-old love affair with the moon. Old clocks show the phases of the moon as well as the time because before electricity, …

Space junk a big threat to manned missions

Shyam Balasubramanian | ENS We are tracking 30,000 pieces of debris that can cause heavy damage to satellites -- V Adimurthy, dean, Indian Institute of Space Science and Technology SPACE debris could be among the biggest concerns in the planning and execution of manned space missions, Indian Institute of Space …

Proceedings of the ninety eighth session of the Indian Science Congess, Chennai, 2011 (Physical Sciences)

Proceedings of the ninety eighth session of the Indian Science Congess, Chennai, 2011 (Physical Sciences).

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