Millimetres, Geometry & Goal-Line Technology: How Law 9 Decides World Cup Goals
TL;DR:
With the FIFA 2026 World Cup approaching, a handful of on-the-line moments—from 1986 to 2022—still shape how we understand scoring: tiny millimetres of ball curvature plus IFAB’s Law 9 decide whether a ball is a goal. Before goal-line technology (GLT), human referees and broadcast replays produced heated controversies (Lampard 2010, Míchel 1986).…
