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Penalty goal, video assistance in focus as IFAB moots 'quiet revolution' in laws of football

Penalty goal, video assistance in focus as IFAB moots 'quiet revolution' in laws of football

IFAB`s technical director David Elleray, the former English referee, is behind a strategy document which he describes as `a quiet revolution`.

New device can bend the light along the corner of a building

It is now possible to bend the light along the corner of a building, for Boston College physicists have created a new metamaterial device that can guide electromagnetic waves around various objects.