Shattered Glass as a Metaphor for Taxonomy

Let us suppose that we have laid on the table... [a] piece of glass... and let us homologize this glass to a whole order of plants or birds. Let us hit this glass a blow in such a manner as but to crack it up. The sectors circumscribed by cracks following the first blow may here be understood to represent families. Continuing, we may crack the glass into genera, species and subspecies to the point of finally having the upper right hand corner a piece about 4 inches square representing a sub-s...

 Workers Are Being Perpetually Displaced by Technology

The third explanation for America’s current job creation problems flips the stagnation argument on its head, seeing not too little recent technological progress, but instead too much. We’ll call this the “end of work” argument, after Jeremy Rifkin’s 1995 book of the same title. In it, Rifkin laid out a bold and disturbing hypothesis: that “we are entering a new phase in world history—one in which fewer and fewer workers will be needed to produce the goods and services for the gl...