S&T Miscellaneous for Prelims

Nano Urea Liquid – UPSC Prelims

It is a nutrient (liquid) to provide nitrogen to plants as an alternative to the conventional urea. It is developed to replace conventional urea and it can curtail the requirement of the same by at least 50%. It contains 40,000 mg/L of nitrogen in a 500 ml bottle which is equivalent to the impact of nitrogen nutrient provided by one bag of conventional …

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Crocodile Tears – UPSC Prelims

Crocodile Tears: Around the world, the phrase Crocodile Tears is most often used for politicians who are seen as being fake and theatrical in their reactions to misery and suffering. What makes the crocodiles cry while eating? While eating the aggressive movement of jaws might be a possible reason for tears. As the movement forces air into the sinuses of …

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Zeolites – UPSC Prelims

What are Zeolites? Zeolites are microporous, aluminosilicate minerals commonly used as commercial adsorbents and catalysts. Zeolites have small openings of fixed size in them. This allows small molecules to pass through them easily. However, larger molecules cannot pass through them. This is why they are sometimes called molecular sieves. Formation: Zeolites occur naturally and can also be produced industrially …

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Positron Excess Phenomenon – UPSC Prelims

What is Antimatter? Antimatter is the opposite of normal matter. More specifically, the sub-atomic particles of antimatter have properties opposite those of normal matter. For example, the electrical charge of antimatter particles is reversed. Antimatter was created along with matter after the Big Bang. But in today’s universe, antimatter is rare. Positron is an example of …

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Project Pyrasol – UPSC Prelims

Project Pyrasol: Project Pyrasol is a part of the Indo-German Science & Technology Centre (IGSTC) flagship programme 2+2 Project. Aim: To transform urban organic waste into biochar(charcoal produced by pyrolysis) and energy in smart cities. Awarded to: The project was awarded to CSIR-CLRI by the Indo-German Science & Technology Centre. Significance:  The project will lead to technology …

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Oxygen Enrichment Technology – UPSC Prelims

Oxygen Enrichment Technology: It is a technology that concentrates the oxygen from the air around us by selectively removing nitrogen to supply oxygen-enriched air. The concentrated Oxygen is delivered to the patients, having respiratory diseases, through an oxygen mask or nasal cannula. Uses: The device can be used in remote places, homes, or hospital-like facilities for …

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