“1947 Plastics industry makes the transition from military applications to peacetime futuristic designs.” The first 19 minutes or so are in black & white, the last 5 minutes in technicolor. Poly(methyl methacrylate) (PMMA) is a transparent thermoplastic, often used as a lightweight or shatter-resistant alternative to glass. It is sometimes called acrylic glass. Chemically, it … Continue reading Looking Ahead Through Plexiglas – Rohm & Hass 1947