PrepLiberty.
Updated · Today
Home Topics Science & Technology
GS 3 · Paper Syllabus section · 1391 articles · Updated today

Science & Technology

Space, defence tech, biotechnology and digital infrastructure

April 2026 20 articles
13 13

Racing to build a quantum computer in Hyderabad

Researchers and institutions in Hyderabad are actively competing to build India's first functional quantum computer, part of a broader national race energise...

GS Paper 3 (Science & Technology Government Initiatives) Science & Technology 5m
13 13

GE Aerospace, IAF to set up engine repair facility for Tejas fleet in India

The Indian Air Force and GE Aerospace signed a formal agreement on April 13, 2026 to establish an in-country depot-level overhaul facility for F404-IN20 turb...

GS Paper 3 (Internal Security Science & Technology Indigenization of Defence) Internal Security Science & Technology 5m
13 13

Kerala University researchers develop high-efficiency, lead-free solar cell

Researchers at Kerala University have developed a high-efficiency perovskite solar cell that replaces toxic lead with a combination of tin and rare earth met...

GS Paper 3 (Science & Technology Environment) Science & Technology Environment & Ecology 4m
13 13

'Stop hiring humans'? Silicon Valley confronts AI job panic

More and more companies in Silicon Valley and beyond are explicitly citing AI and automation as the reason for job cuts, with approximately 47.9% of Q1 2026 ...

GS Paper 3 (Technology Economy) GS Paper 4 (Ethics — Technology and Society) Science & Technology Economics Social Issues 4m
13 13

Bird flu outbreak confirmed in Kottayam district

Highly Pathogenic Avian Influenza (HPAI) H5N1 has been confirmed in Ward 16 of Udayanapuram grama panchayat in Vaikom taluk, Kottayam district, Kerala, as of...

GS Paper 2 (Health) GS Paper 3 (Disaster Management Science & Technology) Science & Technology Social Issues 6m
13 13

IMF chief warns global monetary system not ready for AI cyber threats

IMF Managing Director Kristalina Georgieva issued a stark warning that the global monetary system lacks adequate defences against rapidly escalating AI-drive...

GS Paper 2 (International Organizations) GS Paper 3 (Economy Science & Technology Internal Security) Economics Science & Technology 6m
13 13

EU weighing tighter regulation for OpenAI under Digital Services Act

The European Commission is assessing whether to designate OpenAI's ChatGPT as a "Very Large Online Search Engine" (VLOSE) under the EU's Digital Services Act...

GS Paper 3 (Science & Technology AI Governance) GS Paper 2 (International Relations) Science & Technology International Relations 4m
13 13

GE Aerospace-IAF tie up for depo-level maintenance iof F404 -IN20 engines

GE Aerospace signed a contract with the Indian Air Force (IAF) on April 13, 2026 to establish an in-country depot-level maintenance facility for F404-IN20 tu...

GS Paper 3 (Internal Security Science & Technology Indigenous Defence Manufacturing) Internal Security Science & Technology 5m
13 13

GE Aerospace to set up engine maintenance facility for IAF’s Tejas jets

GE Aerospace has signed a contract with the Indian Air Force to help establish an engine maintenance facility within India for the F404-IN20 engines that pow...

GS Paper 3 (Defence Technology Indigenisation Security) Internal Security Science & Technology 6m
13 13

PM E‑DRIVE e‑truck push for 5600 electric trucks stalls despite ₹500 cr outlay

A Parliamentary Standing Committee (332nd Report, March 2026) flagged "nil physical achievement and no expenditure" under the PM E-DRIVE scheme's electric tr...

GS Paper 3 (Infrastructure Environment Schemes & Policies) Economics Science & Technology 4m
13 13

IAF ties up with GE to build own facility for repair, overhaul of Tejas engines with quicker turnaround

GE Aerospace signed a contract with the Indian Air Force (IAF) to help establish an in-country depot-level maintenance, repair, and overhaul (MRO) facility f...

GS Paper 3 (Defence Technology Security Indigenisation) Internal Security Science & Technology 5m
13 13

India unveils new security standards for its digital payments system to drive global adoption

The Bureau of Indian Standards (BIS) has introduced comprehensive new security norms for India's digital payments ecosystem, covering biometric authenticatio...

GS Paper 3 (Economy Science & Technology) GS Paper 2 (Governance) Science & Technology Economics 6m
12 12

First batch of BrahMos made in Lucknow delivered to Army; national security is collective duty of every citizen, not just forces: Rajnath

The first batch of BrahMos supersonic cruise missiles manufactured at the new BrahMos Integration and Testing Facility in Lucknow was formally flagged off an...

GS Paper 2 (Internal Security) GS Paper 3 (Science & Technology Economy) Internal Security Economics Science & Technology 4m
12 12

RBI proposes ‘Kill Switch’ to secure digital payments: What it means

The Reserve Bank of India (RBI) has proposed a 'Kill Switch' feature as part of a comprehensive discussion paper on digital payment security, inviting public...

GS Paper 3 (Science and Technology Economy) and GS Paper 2 (Governance) Economics Science & Technology Polity & Governance 5m
12 12

The next energy leap: Replicating ethanol’s success in diesel

Analysts are examining how India can replicate the dramatic success of its Ethanol Blending Programme (EBP) for petrol in the diesel segment, which accounts ...

GS Paper 3 (Indian Economy Environment & Ecology) Economics Science & Technology 5m
12 12

First-ever life-size Vivekananda statue in U.S. unveiled in Seattle

The first-ever life-size bronze statue of Swami Vivekananda to be hosted by a city government in the United States was unveiled on April 11, 2026, at Westlak...

GS Paper I (Art & Culture Modern Indian History) GS Paper II (India and its Neighbourhood / World Affairs) Science & Technology 4m
12 12

Amaravati to host India’s first quantum test facilities on April 14

India's first indigenous quantum computing test beds — named Amaravati 1S (Silicon Spin Qubit) and Amaravati 1Q (Superconducting Qubit) — were launched in Am...

GS Paper 3 (Science & Technology Security) Science & Technology 5m
12 12

Patent application filings in India rise 30.2% to 1.43 lakh in 2025-26: Goyal

Patent application filings in India rose 30.2% to a record 1,43,729 in 2025-26 (FY26), up from 1,10,375 in the previous fiscal, according to Commerce and Ind...

GS Paper 3 (Science and Technology Intellectual Property) Economics Science & Technology 5m
12 12

Prototype fast breeder reactor | Nuclear paradox

India's Prototype Fast Breeder Reactor (PFBR) at Kalpakkam, Tamil Nadu achieved its first criticality on April 6, 2026 — over 15 years behind its original 20...

GS Paper 3 (Science & Technology Energy) Science & Technology Economics 4m
11 11

Prototype fast breeder reactor | Nuclear paradox

India's 500 MWe Prototype Fast Breeder Reactor (PFBR) at Kalpakkam, Tamil Nadu attained first criticality on April 6, 2026 — marking the initiation of a sust...

GS Paper 3 (Science & Technology Energy) Science & Technology Polity & Governance 4m
Display