Walk around any busy warehouse, factory floor, or distribution centre in the UK, and you will notice the same problem playing out dozens of times a day. A large roller shutter door opens to let one person through, heat escapes, energy is wasted, and for a few seconds,...

Walk into any busy warehouse, food processing unit, or manufacturing site, and you will likely spot a set of overlapping transparent strips hanging across a doorway or loading bay entrance. They look deceptively simple. But behind that straightforward appearance is a...