Bhavya Chowdhury Number of words: 500 Earlier in March this year, the 18 Space Control Squadron (18SPCS), a body that detects, tracks, and identifies artificial objects in Earth’s orbit reported that the Chinese satellite, Yunhai 1-02 had broken up in space and it was tracking 21 pieces of the debris. Astronomer Jonathan McDowell recently came across the likely cause … Read more
Number of words: 915 Sea snakes are total nightmare fuel, but new research suggests their frequent “attacks” on scuba divers are in reality botched attempts to get lucky. Many scuba divers who explore tropical coral reefs in Australia and New Guinea are all too familiar with the highly venomous Olive sea snake (Aipysurus laevis). These … Read more
Number of words: 757 Titles of research papers usually don’t surprise us, but this one did. It is called Primitive eusociality in a land plant?. The reason for the surprise is that eusociality, so far as we know, is restricted to the animal kingdom. Many animals live in social groups of varying degrees of complexity. The … Read more
Number of words: 487 President Xi Jinping put China’s wealthiest citizens on notice Tuesday, offering an outline for “common prosperity” that includes income regulation and redistribution, according to state media reports. Since Xi took office in 2012, the ruling party has made it a priority to end poverty and build a moderately prosperous society, goals … Read more
Number of words: 728 That a time scale characteristic of the universe at large exists was first suggested by the discoveries of Hubble in the early twenties. There are two parts to Hubble’s discoveries. The first part relates to what may be considered as the fundamental units or constituents of the universe. It emerged unequivocally … Read more
Number of words: 479 You are familiar with Newton’s demonstration of the character of white light by allowing sunlight to pass through a small round hole and letting the pencil of light so isolated fall on the face of a prism. The pencil of light was dispersed by the prism into its constituent rainbow colours. … Read more
Number of words: 688 What the calculation shows is that if you take a star of mass greater than one and a half times the solar mass and if the process of collapse occurs, the process of collapse could not be arrested at a stage with mean densities of the order of million gm/cc. Or, … Read more
Number of words: 790 A black hole is then an object on whose surface the force of gravity is such that even light will not escape from it. But this statement assumes that light is affected by gravity. That light is affected by gravity is a prediction of the general theory of relativity. Indeed, one … Read more
Number of words: 297 Certainly to this audience I need not say that if you take a rocket and if you want to project it and have it escape the gravitational field of the earth, you must project it with a velocity in excess of a certain limit, and this limit is called the velocity … Read more
Number of words: 256 Geometrical curves, their beauty and their forms, held fascination for the Greeks; they are enshrined in their sculptures and their architecture. The straight line and the circle dominate Euclid; and the perfection of the circle was sacrosanct: it underlies Aristotle’s conception of celestial bodies and it provides the basis for Greek … Read more
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