Sports Technology•The World Cup Ball Has a ‘Heartbeat’, and It Can Overrule Human EyesThe 2026 World Cup’s Trionda ball sends movement data 500 times per second, helping VAR identify tiny touches and time offside decisions. After its sensor evidence contradicted claims that a camera cable altered the ball before an England goal, the tournament exposed a deeper question: when technology and human perception disagree, which one should football trust?
