In physical systems, transport takes many forms, such as electric current through a wire, heat through metal, or even water through a pipe. Each of these flows can be described by how easily the ...

Friction is an intrinsic physical phenomenon to curling. Without it, objects in motion would move endlessly, without slowing down. This would cause many safety-related problems: Cars or trains could ...

As a consulting mechanical engineer, I assessed more than 400 crash tests for the Australasian New Car Assessment Program from 1996 to 2017. It is always interesting to answer questions like this. The ...