Fascinating Facts & Techniques Category

Old glass windows; Solid or Liquid? 26 Nov 2006

There is much debate about whether or not glass is actually a solid or a liquid. There have been many claims, especially by tour guides of very old churches, that glass is a liquid because there is an apparent “sagging” or “glass flow” in the glass at the bottom of each pane or piece […]

Why the “Jetty” for an Upper Floor 5 Oct 2006

Have you ever wondered why some of the old European cottages, which have more than one story, have successive cantilevered floors (”jettied”) which give them a “top heavy” look?
Originally, during the Middle Ages, when additional stories to cottages or buildings were built, cottage builders first used relatively flat floor joists which were laid directly on top of the walls below, […]