Nonhits occur when there is no definite element, such as Library of Congress or ISBN number, in the brief record...

Its knee bent the wrong way, though Albert thought it was certainly the right way for the borogove . Another borogove popped out of the forest and followed the first across the road, then a third and a fourth .

Such large-grain, naive parallelism can be simple enough to be readily implementable and debuggable...

It may be thought that this leads to an even more radical skepticism than that envisaged by Descartes, since now even the cogito may be questioned.