Current Affair Category: Science & Technology

Why in News?  On June 21, 2025, the U.S. launched Operation Midnight Hammer, targeting Iran’s nuclear facilities at Fordow, Natanz, and Isfahan using B-2 Spirit stealth bombers armed with GBU-57 Massive Ordnance Penetrator bombs. Former President Donald Trump hailed it as a “spectacular military success,” claiming Iran’s nuclear capabilities were “obliterated.” The 40-hour B-2 mission, […]

Why in News ? Israel has recently launched airstrikes on Iran’s Arak heavy water reactor, highlighting concerns about the potential production of plutonium for atomic weapons. Relevance : Pre & Mains Prelims: HWR/IAEA Mains :  GS II- / GS 3 –Environment The strikes targeted several Iranian nuclear sites, including the Natanz enrichment facility, centrifuge workshops […]

Why in News ? Researchers subjected the rice plant, Oryza sativa, to low temperatures to test its adaptability. The study focused on the number and quality of seeds produced as indicators of adaptation. The landmark finding revealed that rice plants exposed to cold temperatures developed epigenetic changes in a gene called ACT1, enabling them to […]

Why in News?  The commissioning of INS Arnala on June 18, 2025, in Visakhapatnam is a landmark event for the Indian Navy, boosting its coastal defense capabilities and advancing the Aatmanirbhar Bharat initiative. As the first of 16 indigenously built Anti-Submarine Warfare Shallow Water Craft (ASW-SWC), INS Arnala strengthens India’s ability to counter submarine threats […]

Why in News?  The Delhi government has taken a significant step in addressing the contentious issue of pollution by announcing the inclusion of new technology-based machines. The government  has  launched advanced machines such as ‘Anti-Smog Guns’ and ‘Super Sprayers.’ Relevance : UPSC Pre &  Mains Prelims : SFO/IMPT/SPArc Mains :   GS 3  Scince  Tech./Environment Water Sprinkler […]

Why in News?  The step-and-shoot Spot-Scanning Proton Arc Therapy (SPArc) was successfully used for the first time to treat a patient with adenoid cystic carcinoma, a rare type of cancer. The treatment, performed at Corewell Health William Beaumont University Hospital, demonstrates significant advances in radiation therapy for anatomically complex tumors while sparing nearby critical tissues. […]

Why in News? The Axiom Space Ax-4 mission, set to carry Indian astronaut Group Captain Shubhanshu Shukla and three others to the International Space Station (ISS), has been delayed due to a liquid oxygen (LOx) leak in SpaceX’s Falcon 9 rocket.  Relevance : UPSC Pre &  Mains Prelims : Lox/ISS/ Mains :   GS 3/ Scince […]

Why in News? The Solid State Drive SSD was recently in News. Relevance : UPSC Pre &  Mains Prelims : SSD/HDD/Floppy disk Mains :   GS 3 ( Technology) Solid State Drive (SSD): Technology: Uses NAND flash memory (semiconductor-based) to store data, with no moving parts. Data is stored in memory cells, accessed electronically via a controller. […]

  DeFi is a subset of Web3 that uses blockchain and smart contracts to recreate financial services (e.g., lending, borrowing, trading) without traditional intermediaries like banks. Key Features: Permissionless: Anyone with an internet connection and a crypto wallet can participate. Transparency: Transactions are recorded on public blockchains, ensuring auditability. Smart Contracts: Automated, self-executing agreements that […]

What is BIPV? BIPV integrates solar panels directly into a building’s structure, such as façades, roofs, windows, and railings. It serves dual purposes: power generation and acting as a structural component. Advantages Transforms building elements (e.g., glass, tiles) into energy-generating surfaces. Delivers long-term savings despite higher initial costs. Utilizes structural features without requiring additional space. […]