#SnT **✅* Dimethyl Ether fuelled tractors

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#SnT

✅Ethylene Oxide

?️Ethylene oxide- Pollutant
**⚜️**Pollutants are one major theme

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#SnT **✅*What is Goldene?

?️ It is a single-atom-thick sheet of gold, making it the world's thinnest gold leaf.

??Read about graphene here- Click here ?️Scientists have been trying to make 2D sheets of metals like this for a long time

?️Sensing different chemicals and substances-Catalysis - speeding up chemical reactions (like splitting water for clean energy).

⚠️Why is it significant?- Gold at this thinness has completely new properties, unlike the gold we usually think of.Bulk gold is 3D, with atoms arranged in all directions. Goldene is 2D, where atoms are confined to a single flat sheet. This fundamental difference in structure can dramatically alter its electrical, optical, and chemical behavior-can lead to new electronic properties, potentially making goldene more efficient at conducting electricity or interacting with light in specific ways.

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#SnT **✅*Semiconductors manufacturing Technology

?️What is a semiconductor chip? How is it manufactured?

⚜️A semiconductor has properties between a conductor (which conducts electricity) and an insulator (which does not). In its purest form a semiconductor is a very weak conductor of electricity.

⚜️However, its electrical properties can be changed by adding small amounts of certain substances called ‘dopants’. By taking a pure semiconductor and carefully injecting certain parts with specific dopants, complex circuits can be ‘printed’ on the semiconductor.

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#Environment#SnT **✅*Bees that do not sting

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What next for VK IAS? - crisis as an opportunity and the journey behind VK IAS.
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https://youtu.be/btrKPOXSg3k **A lot of research went into understanding the actual problem for prelims - Irrespective of where and how you are preparing for this exam- this is relevant for all UPSC Aspirants. Please do watch this- without fail and also without getting distracted. I request you not to  watch it casually - Take time to let it sink and contemplate so that you can understand your problems before taking a decision .

- Yours VK.

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This is why aspirants fail in UPSC Prelims-UPSC 2024 Prelims strategy || VK IAS

The objective of this video is to explain the gap between what UPSC expects and why students fall short despite their best attempt in UPSC prelims exam. Use this video to understand the problem with the mindset. Prelims mentorship program Registration link…