Source: Wikipedia
Heavy, loud and operated by exactly one person. Here are twelve.
1. The Weight of It
Source: Wikipedia
Cast iron and steel in a case with a handle, carried with…
A hole in a wall that has to behave like a wall. Here are fifteen compromises.
1. It Is a Deliberate Weak Point
A wall is there to keep weather,…
Nobody thinks of them as equipment, which is what they are. Here are eleven jobs.
1. Trapping a Layer of Still Air
Most of the insulating effect is not the…
It stopped being alive and it never stopped moving. Here are fifteen.
1. It Is a Bundle of Tubes, Not a Solid
Wood is built from long hollow cells that…
Small, cheap and doing more than it looks like. Here are twelve.
1. Nearly All the Cooling Happens at the Melt
Warming ice from freezer temperature to zero takes a…
Almost everything that makes a chair comfortable or unbearable was decided by a handful of measurements, and they interact. Here are fifteen.
1. Seat Height Decides Everything Else
The distance…