Aah yes the Glow Puck! The Glow Puck came about before ubiquitous HD TV. This was FOX's way of helping viewer's track the puck. (As an aside, it is my opinion t

Aah yes the Glow Puck! The Glow Puck came about before ubiquitous HD TV. This was FOX's way of helping viewer's track the puck. (As an aside, it is my opinion that HD has helped hockey viewability more than almost any other sport.) A couple of interesting Glow Puck facts: - The batteries inside of the pucks would only last a short time (15-30 mins). Combine this with sensitive chips being hit at 80-100 MPH and a Glow Puck would only last a couple of shifts a game. FOX went through loads of them. - The chips changed the weight of the pucks enough where the players hated them. The heavier pucks especially messed with wrist shots and passing.