Technology
How QR Codes Work: The Tiny Squares Behind Scan-and-Pay
QR codes turned phone cameras into payment terminals across India. Learn how these pixel squares store data, correct errors and keep UPI…
Author: <span>Khabar 24h Editorial Desk</span>
Khabar 24h Editorial Desk — our explainers are prepared by the Khabar 24h editorial team using AI-assisted research tools, and every piece is reviewed by a human editor before publishing. We do not claim original reporting: our work is turning complex topics into simple, accurate summaries. Spotted an error? Write to contact@khabar24h.com — our corrections policy aims for same-day review.
Sports
Women’s Sports in India: Growth, Pay Gap and the Fight for Equality
Record medals, growing leagues and stubborn pay gaps: the state of women's sports in India and the fight for equality. An in-depth…
Politics
The Indo-Pacific Explained: The Geopolitical Concept Reshaping Asia
The Indo-Pacific now frames 21st-century geopolitics, from Malacca to the Pacific islands. Where the concept came from, why it matters and the…
Science
The Carbon Cycle: How Carbon Moves Through Air, Oceans and Life
Carbon constantly cycles through air, oceans, rocks and living things. Here is how the carbon cycle works, and how humans have disrupted…
Science
How Machine Learning Helps Astronomers Discover New Planets
Telescopes now drown astronomers in data, so neural networks hunt exoplanets in the deluge. How machine learning finds new worlds humans would…
Technology
How Smartwatches Track Your Health: Heart Rate, Sleep and SpO2 Sensors Explained
Your smartwatch measures heart rate, sleep and blood oxygen from your wrist. This guide explains the sensors behind the magic and how…
Sports
Kolkata Derby Explained: Mohun Bagan vs East Bengal Rivalry History
Mohun Bagan vs East Bengal is Asia's fiercest derby, played before huge Kolkata crowds. This guide explains the rivalry's history, passion and…
Technology
How FASTag Works: The RFID Technology Behind India’s Toll Payments
FASTag ended cash queues at toll plazas using tiny RFID chips. Discover how the tag talks to the plaza, where your money…
Sports
How Women’s Cricket Leagues Are Changing the Game Worldwide
WPL, The Hundred, WBBL: how women's cricket leagues are transforming the game with record pay, audiences and talent pipelines. The revolution, fully…
Politics
The Taiwan Question Explained: History, Status Quo and Global Stakes
Taiwan's 23 million people sit at the world's most dangerous flashpoint. The history of Beijing's claim, the ambiguity preserving peace, and the…