The wedge is simply two inclined planes put base to base, and the same reasoning is true of it—that is, the thinner the wedge or more gradual the slope, the more easily it is driven. Applying this to the plough, we find that the coulter, share, wrest, cheek-plates, and sole-shoe, all form more or less continuous parts of a large wedge or moving inclined plane.

Further along on the naturalness of use continuum are today's working VR projects where users are tethered by devices such as eyephones and datagloves.

What can I say, or think of this most terrible of fatalities?

Money coming in plenty / Twenties, fifties and Bennies