Beam the TV-screen first-down stripe onto the actual field Laser technology, duh. Why should TV watchers see the first-down line, while...

The game is always on the line, literally and figuratively. Then way count on an antiquated chain link, to measure for the most important...

Lighting the way to accurate quick ball placement with a visible on the playing field first down line to gain We have one 200-watt yag...