There's something strange about the stained-glass windows of medieval buildings: They tend to be thicker at the bottom than at the top. Many believe this is because glass is actually a liquid that has ...

When most people look at a window, they see solid panes of glass, but for decades, physicists have pondered the mysteries of window glass: Is glass a solid, or merely an extremely slow moving liquid?

Paddy Royall receives funding from the Royal Society, European Research Council and Engineering and Physical Sciences Research Council. Before Pilkingtons invented plate glass in the mid-19th century, ...