Yet there were physical and mental devices, and she knew he did not mean or want to hurt her.

However, it cannot be achieved in any actual physical device.

A difference engine can be patented because it is a physical device.

You would obviously need a physical device for that.

The governor was not a physical device that could be readily disconnected.

Instruments in a Family could be assembled from different physical devices.

Below the file system there is usually a physical device where the files are stored.

Typically when describing the physical device the term 'engine' is used.

It is a physical device consisting of a keyboard and a screen.

I actually agree with you on this, there is far more to consider than just the physical device.