I enjoy living in the city. I enjoy having two big bay windows that look out over Pine Street and let in copious amounts of light. But there is a downside: street noise. We’re lucky. We live on the downhill slope of a one-way street in a fairly residential neighborhood. There’s not much people noise, [...]

At either end of the Golden Gate Bridge, there are ribbed joints in the surface of the roadway. I don’t think they’re expansion joints, I think they simply connect the surface of the approach to the surface of the bridge itself. Since they’re about two feet wide, the ribs add traction to the metal surface [...]