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Relevance: GS Paper 3 — Science & Technology, AI and Sensor Applications Source: News reports, June 2026

1 · What happened

The 2026 FIFA World Cup — to be hosted jointly by Canada, Mexico and the United States — will use a new official match ball called “Trionda”, made by Adidas.

Unlike past footballs, the Trionda is also a small electronic device. It carries an Artificial Intelligence (AI)-supported sensor system that feeds live data to the Video Assistant Referee (VAR), helping match officials take faster and fairer decisions on offside, handball and similar calls.

2 · How the Trionda Works

The Trionda is a “connected ball” — a football fitted with a motion sensor that sends data 500 times a second to stadium receivers. The data is combined with player-tracking cameras and AI software to detect every kick, touch and movement.

Build & design
Four-Panel Polyurethane Shell
Made of just four heat-bonded polyurethane panels — the lowest ever in a World Cup ball. Tiny dimples on the surface (like a golf ball) keep flight steady at high speed.
The sensor
500 Hz IMU Inside the Ball
An Inertial Measurement Unit (IMU) in one panel reads the ball’s motion 500 times per second. It is counter-balanced so the ball still flies naturally.
AI + VAR
Real-Time Refereeing
Ball data + camera tracking of players → AI-built 3D avatars of footballers. The VAR can pinpoint the exact moment of a kick — speeding up offside and handball decisions.
Limitations
Battery & Flight Concerns
Needs a 90-minute charge for about 6 hours of play. Wind-tunnel tests (journal Applied Sciences) found long shots may land a few metres short of expectations.

  • Name and symbolism: “Trionda” means “three waves” in Spanish — for the three host nations. It carries a maple leaf (Canada), eagle (Mexico) and star (USA).
  • A break from Jabulani: The 2010 Jabulani’s smooth surface caused odd swerves. Trionda’s textured surface gives even air drag, so flight is faster and more predictable.
  • Made in Sialkot: Manufactured by Forward Sports in Sialkot, Pakistan — a reminder that smart sports gear is now a major export segment that India’s sports hubs (Jalandhar, Meerut) can target through Make in India and PLI schemes.

UPSC Value Box
Inertial Measurement Unit (IMU) A small electronic device that measures motion using accelerometers and gyroscopes. It tracks how an object moves, turns and rotates. Used in drones, satellites, smartphones and now sports equipment.
Hertz (Hz) The unit for measuring how often something happens in a second. 500 Hz = 500 times per second.
Video Assistant Referee (VAR) A team of officials who use video replays to help the main referee check key match decisions like goals, penalties and offsides.
Semi-Automated Offside Technology (SAOT) An AI system that combines ball sensor data and stadium camera images to map the bones and joints of players. It detects offside almost instantly.
Internet of Things (IoT) A network of everyday objects fitted with sensors that can send and receive data over the internet — turning regular items (like a ball) into “smart” devices.
Polyurethane A tough, flexible synthetic plastic, used as the outer skin of modern footballs because it is light, water-resistant and durable.
Production Linked Incentive (PLI) Scheme A Government of India scheme that gives cash incentives to companies based on how much they produce in India — to boost domestic manufacturing and exports.

MCQ Practice Question
Q. With reference to the “Trionda” football and its sensor technology, consider the following statements:

  1. An Inertial Measurement Unit (IMU) measures motion using accelerometers and gyroscopes, and is also used in drones, satellites and smartphones.
  2. The Trionda’s IMU records ball motion 50 times every second and sends this data to stadium receivers.
  3. Semi-Automated Offside Technology (SAOT) combines ball sensor data with stadium camera images to map the limbs of players.

Which of the statements given above is/are correct?
(a) 1 and 2 only    (b) 2 and 3 only    (c) 1 and 3 only    (d) 1, 2 and 3

Answer: (c) 1 and 3 only

  • Statement 1 — Correct: An IMU uses accelerometers and gyroscopes to track motion. It is widely used in drones, satellites, smartphones and now smart sports gear.
  • Statement 2 — Incorrect (the trap — wrong number): The IMU in the Trionda records motion 500 times per second (500 Hz), not 50 times. The 10× error is the classic UPSC trap pattern.
  • Statement 3 — Correct: SAOT combines the ball’s IMU data with stadium cameras’ optical data to map the bones and joints of players, enabling near-instant offside calls.

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