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Hindi Medium: (Delhi) - GS Foundation (P+M) : 14th Oct. 2026, 06:00 PM Hindi Medium: (Prayagraj) - GS Foundation (P+M) : 22nd Sept. 2026, 8:00 AM English Medium: (Delhi) - GS Foundation (P+M) : 26th Sept. 2026 English Medium: (Prayagraj) - GS Foundation (P+M) : 19th Aug 2026, 11:00 AM Hindi Medium: (Delhi) - GS Foundation (P+M) : 14th Oct. 2026, 06:00 PM Hindi Medium: (Prayagraj) - GS Foundation (P+M) : 22nd Sept. 2026, 8:00 AM English Medium: (Delhi) - GS Foundation (P+M) : 26th Sept. 2026 English Medium: (Prayagraj) - GS Foundation (P+M) : 19th Aug 2026, 11:00 AM

UPSC CURRENT AFFAIRS

Sodium-Ion Battery (Na-ion Battery)

Science and Technology 02-Apr-2025

A Sodium-Ion Battery (Na-ion) is a type of rechargeable battery that uses sodium ions (Na⁺) as the charge carriers, instead of the lithium ions used in traditional Lithium-Ion Batteries (Li-ion). 

Thorium Molten Salt Nuclear Reactor

Science and Technology 02-Apr-2025

A Thorium Molten Salt Reactor (TMSR) is a type of nuclear reactor that uses thorium as fuel instead of uranium.

Small Modular Reactors (SMRs)

Science and Technology 02-Apr-2025

SMRs are compact, safe, and flexible nuclear reactors designed to generate up to 300 MW(e) of power per unit, much smaller than traditional reactors (700 MW(e) or more). 

Battery Energy Storage System (BESS)

Science and Technology 02-Apr-2025

Battery Energy Storage System (BESS) is a type of electrochemical energy storage system (ESS) that uses various electrochemical reactions to store electrical energy for later use.

Fast Breeder Reactor

Science and Technology 02-Apr-2025

A Fast Breeder Reactor (FBR) is a type of nuclear reactor that uses fast neutrons to produce more nuclear fuel than it consumes during electricity generation.

Tokamak: An Experimental Fusion Reactor

Science and Technology 02-Apr-2025

A Tokamak is an experimental machine designed to harness the energy of nuclear fusion, the process that powers the sun. 

NUCLEAR ENERGY

Science and Technology 01-Apr-2025

Nuclear energy is the energy stored in the nucleus of an atom and is released through nuclear reactions. 

Methanol (Methyl Alcohol) – A Toxic Chemical Substance

Science and Technology 01-Apr-2025

Methanol (CH₃OH), also known as wood alcohol or spirit, is a colourless, light sweet-smelling, and highly volatile liquid. 

GLP-1 Hormone and Its Role in Weight Loss Medications

Science and Technology 01-Apr-2025

Glucagon-Like Peptide-1 (GLP-1) is an incretin hormone produced naturally in the human body. 

Ethylene Oxide (C₂H₄O)

Science and Technology 01-Apr-2025

Ethylene oxide is a colourless, sweet-smelling, highly flammable gas used in various industrial applications, including chemical production, pesticide manufacturing, and medical device sterilization. 

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