If you grew up in America — or much of the rest of the world — in the past 30 years, chances are that you’ve played on synthetic turf.
The small, spongy black beads used as fill material in most artificial turf fields are…

If you grew up in America — or much of the rest of the world — in the past 30 years, chances are that you’ve played on synthetic turf.
The small, spongy black beads used as fill material in most artificial turf fields are…