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What is the Indian Regional Navigation Satellite System (IRNSS-NavIC)?

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  ✅ Why in News :  Usage of Indian Regional Navigation Satellite System(NavIC system) has increased in sectors like transportation and personal mobility. 🔸There is also an increase in the number of NavIC enabled smart mobile phone models in the Indian market. ▪️About Indian Regional Navigation Satellite System ( IRNSS )  ✅IRNSS is an independent regional navigation satellite system developed by the Indian Space Research Organization (ISRO). ✅The main objective is to provide reliable position, navigation and timing services over India and its neighbourhood. ✅IRNSS is a regional and not a global navigation system. ✅Unlike the widely used GPS which includes 24 satellites, NavIC has 8 satellites and their range is within India and its adjoining regions extending up to 1,500 km from the country’s border. ✅Technically satellite systems with more satellites provide more accurate positioning information. However, compared to GPS which has a position accuracy of 20-30 metres, the...
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Interpol launches first-ever metaverse

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  🔆Interpol launches first-ever metaverse ✅ Interpol unveiled the first-ever ‘ metaverse ’ specifically designed for law enforcement worldwide, at the 90th General Assembly in Delhi. Key Highlights: ✅WEF: The World Economic Forum has partnered with Interpol on Meta. ✅Virtual tour: It allows the registered users to take a virtual tour of its general secretariat headquarters in France’s Lyon. Interact with other officers via their avatars ✅Take training courses in forensic investigation and other policing skills, it said. ✅Secure cloud: The facility is provided through the global police organization’s secure cloud. ✅Creation of an expert group on the metaverse: To represent the concerns of law enforcement on the global stage Ensure that the new virtual world is secure by design.   ✅ Challenges for metaverse: Social engineering scams Violent extremism Misinformation   List of possible crimes likely to expand: ✅Crimes against children Data theft ✅Money laundering ✅Financial...
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COFFEE-RING EFFECT

 COFFEE-RING EFFECT Researchers have given new insights on the ‘coffee-ring effect’. ✅For about two decades now, the ‘coffee ring effect’ has been known as when a drop of spilt coffee dries up, the outermost edge of the dried drop is a little darker than the centre, forming a darker ‘ring’. ✅This is caused by the outward drift of suspended coffee particles from the centre, causing a denser, darkened rim. ✅Now, researchers from Indian Institute of Technology, Madras, have shown that after reaching the rim, as the drop dries, some of the particles undergo an inward drift too. ✅This research has applications in agriculture, forensic science and even disease diagnosis. The present work has been published in the journal, Soft Matter.
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