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This artist’s reconstruction depicts North Dakota in the first months following the impact of an asteroid off Mexico’s coast 66 million years ago, showing a dark, dusty and cold world in which the last non-avian dinosaurs, illustrated by the species Dakotaraptor steini, were on the edge of extinction in this undated handout. | Photo Credit:…
Read More “Dinosaur-killing asteroid impact fouled Earth’s atmosphere with dust” »
A view of the Rosette Nebula, January 27, 2023. | Photo Credit: Aldebaran S/Unsplash World Thrift Day is observed on October 31 to promote saving money and developing a sense of financial prudence. We’re taught to save for a rainy day, as we grow up from being the owners of a piggy bank to the…
Read More “What does World Thrift Day have to do with physics?” »
Recently, the Council of Scientific and Industrial Research announced the winners of the Shanti Swarup Bhatnagar (SSB) awards for 2022. The announcement was highly anticipated not only due to the nearly year-long delay in declaring the results, but also because it came amid the government’s plans for a major revamp of the structure of science…
Read More “What India needs from the ‘Vigyan Puraskar’ awards and what it can get | Explained” »
Indian Institute of Science, Bengaluru. A team of researchers from the Indian Institute of Science and the University of Wisconsin-Madison, USA, have developed machine learning models for designing next generation nuclear reactor materials. According to IISc, advanced nuclear reactors offer enhanced efficiency and safety compared to the long-standing conventional reactors in use, which is achieved…
Any mass warps the fabric of space-time around itself. The more the mass, the more the warping. The force that an object feels when travelling along this warped path is called gravity. It tends to move the object towards the mass. The strength of this force depends on the gravitational constant. Denoted by a ‘G’,…
Mouse embryos have been grown on the International Space Station. Representative image | Photo Credit: AP Mouse embryos have been grown on the International Space Station and developed normally in the first study indicating it could be possible for humans to reproduce in space, a group of Japanese scientists said. The researchers, including Teruhiko Wakayama,…
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To synthesise a carbon nanostructure that was “blacker than black”, Ananya Sah and C. Subramaniam started with a material that was white. In Prof. Subramaniam’s laboratory in IIT Bombay, Dr. Sah heated a special form of silicon dust called DFNS (for dendritic fibrous nanosilica) in a furnace. Once heated, she introduced acetylene gas into the…
Read More “Tiny carbon ‘flowers’ turn light to heat at unrivalled efficiency, IIT team finds” »
“… for the first time in world history, mechanical reproduction emancipates the work of art from its parasitical dependence on ritual. To an ever greater degree the work of art reproduced becomes the work of art designed for reproducibility.”Walter Benjamin The German philosopher Walter Benjamin wrote these words in his landmark 1935 essayThe Work of…
Read More “What is photocopying and how does it work? | Explained” »
A mock-up of the Prospero on display in London’s Science Museum. | Photo Credit: Geni What were you doing when Chandrayaan-3 created history by landing near the south pole of the moon? This is one question that you might keep encountering throughout your lifetime. It is human nature to link, associate and talk about what…
Mars’s liquid iron core is likely to be surrounded by a fully molten silicate layer, according to a pair of studies published in Nature. These results offer a new interpretation of the interior of Mars, suggesting its core is smaller and denser than previously proposed. Seismological study of Mars to understand the interior of the red plant…
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