Science behind it Source emits sound waves, and listens for their reflections by objects in their surroundings. Based on what the reflected waves, or echoes, sound like, the animal or device understands its environment. Animals that use echolocation emit high-frequency sound pulses beyond the range of human hearing. Bats – …

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Cases in Manipur to Assam

Syllabus: Structure, organization and functioning of the Executive and the Judiciary Why in NEWS The Supreme Court on Friday asked Gauhati High Court Chief Justice to nominate one or more judicial officers in Assam to take charge of the pre-trial processes in 27 cases related to the ethnic violence in …

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Cleantech, for an inclusive green future in India

Syllabus:  Green economy India’s experience has shown that climate action is only effective and embraced at scale if it aligns with the development aspirations of millions and contributes to economic growth. The green economy paradigm provides an optimistic pathway to align development and environmental outcomes. Example: building a solar park …

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28-ft Nataraja sculpture

Context:  Indian culture will cover the salient aspects of Art Forms, literature and Architecture from ancient to modern times. Why in NEWS A 28-foot Nataraja statue, meant to be placed at the venue of the G-20 Leaders’ Summit to be held next month in New Delhi, was sent by road …

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Chandrayaan 3 and other missions to moon

Other lunar missions this year Commercial Lunar Payload Services (CLPS) and Lunar Trailblazer from the U.S.. China’s lunar communication and navigation satellite constellation Japan’s Smart Lander for Investigating Moon (SLIM) Other lunar missions next year Beresheet 2 from Israel S.’s Volatiles Investigating Polar Exploration Rover (VIPER) China’s Lunar Exploration Programme …

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