PETWHAC

PETWHAC stands for Population of Events That Would Have Appeared Coincidental. Population may seem an odd word, but it is the correct statistical term. I won't keep using capital letters because they stand so unattractively on the page. Somebody's watch stopping within ten seconds of the psychic's incantation obviously belongs within the petwhac, but so do many other events. Strictly speaking, the grandfather clock's stopping should not be included. The mystic did not claim that he could stop...

 Anecdote About the Cuckoo Clock in China

The gaudy watches of indifferent workmanship, fabricated purposely for the China market and once in universal demand, are now scarcely asked for. One gentleman in the Honourable East India Company’s employ took it into his head that cuckoo clocks might prove a saleable article in China, and accordingly laid in a large assortment, which more than answered his most sanguine expectations. But as these wooden machines were constructed for sale only, and not for use, the cuckoo clocks became all...

 The Clock as the Mother of All Machines

PRECISELY because the clock did not start as a practical tool shaped for a single purpose, it was destined to be the mother of machines. The clock broke down the walls between kinds of knowledge, ingenuity, and skill, and clockmakers were the first consciously to apply the theories of mechanics and physics to the making of machines. Progress came from the collaboration of scientists—Galileo, Huygens, Hooke, and others—with craftsmen and mechanics. Since clocks were the first modern measur...

 The Clock, Icon of Science

Philosophers were always looking for new handles on the universe—new similes, new metaphors, new analogies. Despite their scorn for those who cast the Creator of the Universe in man's image, the theologians never ceased to scrutinize man's own handiwork as their clues to God. Now man was a proud clockmaker, a maker of self-moving machines. Once set in motion, the mechanical clock seemed to tick with a life of its own. Might not the universe itself be a vast clock made and set in motion by t...