*GPD: Seeing the in/visible impact of glass* _Shining a light on glass’s in/visible impact, Glass Performance Days (GPD) 2025 has officially started in Tampere, Finland, with the conference opening at the Nokia Arena. This year’s GPD brings together about 500 participants and over 130 presentations to explore the theme of “Glass – The In/Visible Impact.”_ _Read Full Article:_ https://glassbulletin.com/latest-updates/gpd-seeing-the-in-visible-impact-of-glass/