Q: I am replacing an interior door that needs to be cut down. Either I bought the wrong size door or the opening for it is not a standard size. The door is hollow and I need to cut it down by about an ...

It sounds like a challenge from a [Martin Gardner] math puzzle from the Scientific American of days gone by: is it possible to build a three-dimensional wooden box with only two surfaces? It turns out ...

As Juhani Pallasmaa famously stated, "The door handle is the handshake of the building." The hardware of a door—its movable parts—directly shapes how we engage with architecture, influencing our ...