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sociology Sociology is a social science that focuses on society, human social behavior, patterns of social relationships, social interaction, and aspects of culture associated with everyday life. It uses various methods of empirical investigation an ...
and
anthropology Anthropology is the scientific study of humanity, concerned with human behavior, human biology, cultures, societies, and linguistics, in both the present and past, including past human species. Social anthropology studies patterns of be ...
, time discipline is the general name given to
social Social organisms, including human(s), live collectively in interacting populations. This interaction is considered social whether they are aware of it or not, and whether the exchange is voluntary or not. Etymology The word "social" derives from ...
and economic rules, conventions, customs, and expectations governing the measurement of time, the social currency and awareness of time measurements, and people's expectations concerning the observance of these customs by others. The concept of "time discipline" as a field of special attention in sociology and anthropology was pioneered by E. P. Thompson in ''Time, Work-Discipline, and Industrial Capitalism'', published in 1967. Coming from a Marxist viewpoint, Thompson argued that observance of clock-time is a consequence of the European
industrial revolution The Industrial Revolution was the transition to new manufacturing processes in Great Britain, continental Europe, and the United States, that occurred during the period from around 1760 to about 1820–1840. This transition included going f ...
, and that neither industrial capitalism nor the creation of the modern state would have been possible without the imposition of synchronic forms of time and work discipline. The new clock time imposed by government and capitalist interests replaced earlier, collective perceptions of time that Thompson believed flowed from the collective wisdom of human societies. While in fact it appears likely that earlier views of time were imposed instead by religious and other social authorities prior to the industrial revolution, Thompson's work identified time discipline as an important concept for study within the social sciences.


Other views of time discipline

While Thompson's theory of industrial time-discipline has dominated the field for more than 40 years, critics of his work have emerged. Paul Glennie and Nigel Thrift posit an alternative perspective on the development of time-consciousness in "Reworking E. P. Thompson's 'Time, Work-Discipline and Industrial Capitalism'" (1996). According to Glennie and Thrift, Thompson and subsequent theorists on modern time competence in England have theorized that industrial work-discipline centered on the clock is responsible for spreading a unitary concept of time rooted in materialist realities. In contrast, Glennie and Thrift explore the role of symbolic, qualitative, and multiple time-senses in the West. Different kinds of work and multiple means of measuring time problematize the centrality of factory work and the clock. Generally, they argue that time-discipline was evident before the spread of industrialization and that it did not trigger a significant change in time-sense. Because it rests on the argument that disparate, spatial temporalities can not be unified, critics have argued that their analysis seems incomplete. In short, they offer poignant critiques of the dominant theory without positing a stronger theory in its place. Michael J. Sauter argues that Thompson's approach to time discipline is "gendered and Eurocentric". Time discipline did not arise because of the Industrial Revolution, but had been a phenomenon since the Middle Ages as the government, religion, and economics played larger roles in day-to-day life. In Sauter's article "Clockwaters and Stargazers: Time Discipline in Early Modern Berlin", he argues that time discipline came from the streets, and was part of the rise of "local knowledge" as public clocks were used by public event planners. People began to learn where clocks were located and which social groups used which ones. Furthermore, Sauter argues that time discipline is not "externally imposed" on people, but "a standard that is determined by people with specialized knowledge and skills". Prior to the rise of mechanical timekeeping, clocks were based on the easily accessed sun, and after 1800 precise timekeeping again returned to the Earth's position in relationship to the stars, as measured by scientists using specialized instruments.


The natural world

In societies based around agriculture, hunting, and other pursuits that involve human interaction with the natural world, time discipline is a matter governed by
astronomical Astronomy () is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution. Objects of interest include planets, moons, stars, nebulae, galaxi ...
and biological factors. Specific times of day or seasons of the year are defined by reference to these factors, and measured, to the extent that they need measuring, by observation. Different peoples' needs with respect to these things mean sharply differing cultural perceptions of time. For example, it surprises many non-Muslims that the
Islamic calendar The Hijri calendar ( ar, ٱلتَّقْوِيم ٱلْهِجْرِيّ, translit=al-taqwīm al-hijrī), also known in English as the Muslim calendar and Islamic calendar, is a lunar calendar consisting of 12 lunar months in a year of 354 ...
is entirely lunar and makes no reference at all to the seasons; the desert-dwelling
Arab The Arabs (singular: Arab; singular ar, عَرَبِيٌّ, DIN 31635: , , plural ar, عَرَب, DIN 31635: , Arabic pronunciation: ), also known as the Arab people, are an ethnic group mainly inhabiting the Arab world in Western Asia, ...
s who devised it were
nomad A nomad is a member of a community without fixed habitation who regularly moves to and from the same areas. Such groups include hunter-gatherers, pastoral nomads (owning livestock), tinkers and trader nomads. In the twentieth century, the po ...
s rather than agriculturalists, and a calendar that made no reference to the seasons was no inconvenience for most of them.


In Western societies

In more urban societies, some of these natural phenomena were no longer at hand, and most were of much less consequence to the inhabitants. Artificial means of dividing and measuring time were needed.
Plautus Titus Maccius Plautus (; c. 254 – 184 BC), commonly known as Plautus, was a Roman playwright of the Old Latin period. His comedies are the earliest Latin literary works to have survived in their entirety. He wrote Palliata comoedia, the ...
complained of the social effect of the invention of such divisions in his lines complaining of the sundial: :The gods confound the man who first found out
How to distinguish hours! Confound him, too,
Who in this place set up a sun-dial,
To cut and hack my days so wretchedly
Into small portions. When I was a boy
My belly was my sun-dial; one more sure,
Truer, and more exact than any of them.
This dial told me when 'twas proper time
To go to dinner, when I had aught to eat.
But now-a-days, why, even when I have,
I can't fall-to, unless the sun give leave.
The town's so full of these confounded dials,
The greatest part of its inhabitants,
Shrunk up with hunger, creep along the streets. Plautus's protagonist here complains about the social discipline and expectations that arose when these measurements of time were introduced. The invention of artificial units of time measurement made the introduction of
time management Time management is the process of planning and exercising conscious control of time spent on specific activities, especially to increase effectiveness, efficiency, and productivity. It involves of various demands upon a person relating to work, ...
possible, and time management was not universally appreciated by those whose time was managed.


Western religious influences

In western Europe, the practice of Christian monasticism introduced new factors into the time discipline observed by members of religious communities. The rule of Saint Benedict introduced canonical hours; these were religious observances that were held on a daily basis, and based on factors again mostly unrelated to natural phenomena. It is no surprise, then, that religious communities were likely the inventors, and certainly the major consumers, of early
clock A clock or a timepiece is a device used to measure and indicate time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month and t ...
s. The invention of the mechanical clock in western Europe, and its subsequent technical developments, enabled a public time discipline even less related to natural phenomena. (Highly sophisticated clepsydras existed in China, where they were used by astrologers connected with the imperial court; these water clocks were quite large, and their use limited to those who were professionally interested in precise timekeeping.)


The invention of the clock

The English word ''clock'' comes from an
Old French Old French (, , ; Modern French: ) was the language spoken in most of the northern half of France from approximately the 8th to the 14th centuries. Rather than a unified language, Old French was a linkage of Romance dialects, mutually intellig ...
word for "
bell A bell is a directly struck idiophone percussion instrument. Most bells have the shape of a hollow cup that when struck vibrates in a single strong strike tone, with its sides forming an efficient resonator. The strike may be made by an inte ...
," for the striking feature of early clocks was a greater concern than their dials.
Shakespeare William Shakespeare ( 26 April 1564 – 23 April 1616) was an English playwright, poet and actor. He is widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist. He is often called England's natio ...
's Sonnet XII begins, "When I do count the clock that tells the time." Even after the introduction of the clock face, clocks were costly, and found mostly in the homes of aristocrats. The vast majority of urban dwellers had to rely on clock towers, and outside the sight of their dials or the sound of their bells, clock time held no sway. Clock towers did define the time of day, at least for those who could hear and see them. As the saying goes, "a person with a clock always knows what time it is; a person with two clocks is never sure."


Improvements of the clock

The discipline imposed by these public clocks still remained lax by contemporary standards. A clock that only strikes the hours can only record the nearest hour that has passed; most early clocks had only hour hands in any case. Minute hands did not come into widespread use until the
pendulum A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting, equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward th ...
enabled a large leap in the accuracy of clocks; for watches, a similar leap in accuracy was not made possible before the invention of the
balance spring A balance spring, or hairspring, is a spring attached to the balance wheel in mechanical timepieces. It causes the balance wheel to oscillate with a resonant frequency when the timepiece is running, which controls the speed at which the wheels of ...
. Before these improvements, the
equation of time In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign . The word ''equation'' and its cognates in other languages may have subtly different meanings; for example, in F ...
, the difference between apparent and mean solar time, was not even noticed. During the 17th and 18th centuries, private ownership of clocks and watches became more common, as their improved manufacture made them available for purchase by at least the bourgeoisie of the cities. Their proliferation had many social and even religious consequences for those who could afford and use them. Before time became standardized, clock masters used "True Time". The day work began and ended with the sun. This time period was divided into 12 equal hours. This meant that these hours would vary with the seasons, as the length of daylight changed. Each town would have their own variance of this "True Time". Eventually, cities adopted "Mean Time", which is how we think of time nowadays. Astronomers used the Earth's rotation and the stars to calculate the time, and divided the day into 24 uniform and equal hours. Geneva was the first city to adopt mean time in 1780, followed by London in 1792, Berlin in 1810, Paris in 1816, and Vienna in 1823.


Religious consequences

Religious texts of the period make many more references to the irreversible passage of time, and artistic themes appeared at this time such as ''
Vanitas A ''vanitas'' (Latin for 'vanity') is a symbolic work of art showing the temporality, transience of life, the futility of pleasure, and the certainty of death, often contrasting symbols of wealth and symbols of ephemerality and death. Best-kn ...
'', a reminder of death in the form of a still life, which always included a watch, clock, or some other timepiece. The relentless ticking of a clock or watch, and the slow but certain movement of its hands, functioned as a visible and audible '' memento mori''. Clocks and sundials would be decorated with mottos such as ''ultima forsan'' ("perhaps the last" our or ''vulnerant omnes, ultima necat'' ("they all wound, and the last kills"). Even today, clocks often carry the motto ''tempus fugit'', "time flies."
Mary, Queen of Scots Mary, Queen of Scots (8 December 1542 – 8 February 1587), also known as Mary Stuart or Mary I of Scotland, was Queen of Scotland from 14 December 1542 until her forced abdication in 1567. The only surviving legitimate child of James V of S ...
was said to have owned a large watch made in the shape of a silver
skull The skull is a bone protective cavity for the brain. The skull is composed of four types of bone i.e., cranial bones, facial bones, ear ossicles and hyoid bone. However two parts are more prominent: the cranium and the mandible. In humans, th ...
.


Economic consequences

Economically, their impact was even greater; an awareness that ''time is money'', a limited commodity not to be wasted, also appears during this period. Because Protestantism was at this time chiefly a religion of
literate Literacy in its broadest sense describes "particular ways of thinking about and doing reading and writing" with the purpose of understanding or expressing thoughts or ideas in written form in some specific context of use. In other words, hum ...
city dwellers, the so-called "
Protestant work ethic The Protestant work ethic, also known as the Calvinist work ethic or the Puritan work ethic, is a work ethic concept in theology, sociology, economics and history which emphasizes that diligence, discipline, and frugality are a result of a per ...
" came to be associated with this newly fashioned time discipline. Production of clocks and watches during this period shifted from
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
and
Bavaria Bavaria ( ; ), officially the Free State of Bavaria (german: Freistaat Bayern, link=no ), is a state in the south-east of Germany. With an area of , Bavaria is the largest German state by land area, comprising roughly a fifth of the total lan ...
to Protestant areas such as
Geneva , neighboring_municipalities= Carouge, Chêne-Bougeries, Cologny, Lancy, Grand-Saconnex, Pregny-Chambésy, Vernier, Veyrier , website = https://www.geneve.ch/ Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevr ...
, the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
, and England; the names of French clockmakers during this time disclose a large number of commonly
Huguenot The Huguenots ( , also , ) were a religious group of French Protestants who held to the Reformed, or Calvinist, tradition of Protestantism. The term, which may be derived from the name of a Swiss political leader, the Genevan burgomaster Be ...
names from the Old Testament.


Standard, synchronous, public time

Amritesh Singh needed this summary. In the nineteenth century, the introduction of standard time and
time zone A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it ...
s divorced the "time of day" from local mean
solar time Solar time is a calculation of the passage of time based on the position of the Sun in the sky. The fundamental unit of solar time is the day, based on the synodic rotation period. Two types of solar time are apparent solar time (sundial ti ...
and any links to
astronomy Astronomy () is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution. Objects of interest include planets, moons, stars, nebulae, g ...
.
Time signal A time signal is a visible, audible, mechanical, or electronic signal used as a reference to determine the time of day. Church bells or voices announcing hours of prayer gave way to automatically operated chimes on public clocks; however, a ...
s, like the bells and dials of public clocks, once were relatively local affairs; the ball that is dropped in
Times Square Times Square is a major commercial intersection, tourist destination, entertainment hub, and neighborhood in Midtown Manhattan, New York City. It is formed by the junction of Broadway, Seventh Avenue, and 42nd Street. Together with adjacent ...
on New Year's Eve in
New York City New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the most densely populated major city in the Un ...
once served as a time signal whose original purpose was for navigators to check their
marine chronometer A marine chronometer is a precision timepiece that is carried on a ship and employed in the determination of the ship's position by celestial navigation. It is used to determine longitude by comparing Greenwich Mean Time (GMT), or in the modern ...
s. However, when the railroads began running trains on complex schedules, keeping a schedule that could be followed over distances of hundreds of miles required synchronization on a scale not attempted before.
Telegraph Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas p ...
y and later shortwave radio were used to broadcast time signals from the most accurate clocks available. Radio and television broadcasting schedules created a further impetus to regiment everyone's clock so that they all told the same time within a very small tolerance; the broadcasting of time announcements over radio and television enabled all the households in their audience to get in synch with the clocks at the network. The mass production of clocks and watches further tightened time discipline in the Western world; before these machines were made, and made to be more accurate, it would be pointless to complain about someone's being fifteen, or five, minutes late. For many employees, the
time clock A time clock, sometimes known as a clock card machine or punch clock or time recorder, is a device that records start and end times for hourly employees (or those on flexi-time) at a place of business. In mechanical time clocks, this was accomp ...
was the clock that told the time that mattered: it was the clock that recorded their hours of work. By the time that time clocks became commonplace, public, synchronized clock time was considered a fact of life. Uniform, synchronized, public clock time did not exist until the nineteenth century. When one speaks about the intellectual history of time, one essentially is stating that changes have occurred in the way humans
experience Experience refers to conscious events in general, more specifically to perceptions, or to the practical knowledge and familiarity that is produced by these conscious processes. Understood as a conscious event in the widest sense, experience involv ...
and measure time. Our conceived abstract notions of time have presumably developed in accordance with our art, our science, and our social infrastructure. (See also
horology Horology (; related to Latin '; ; , interfix ''-o-'', and suffix ''-logy''), . is the study of the measurement of time. Clocks, watches, clockwork, sundials, hourglasses, clepsydras, timers, time recorders, marine chronometers, and atomic clo ...
.)


Towards time-keeping

The units of time first developed by humans would likely have been days and months (moons). In some parts of the world the cycle of seasons is apparent enough to lead to people speaking about years and seasons (e.g. 4 summers ago, or 4 floods ago). With the invention of agriculture in the 3rd millennium BC, people relied heavily on the cycle of the seasons for planting and harvesting crops. Most humans came to live in settled societies and the whole community relied upon accurate predictions of the seasonal cycle. This led to the development of calendars. Over time, some people came to recognize patterns of the stars with the seasons. Learning astronomy became an assigned duty for certain people so they could coordinate the lunar and solar calendars by adding days or months to the year. At about the same time, sundials were developed, likely marked first at noon, sunrise and sunset. In ancient Sumer and
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Medit ...
, numbers were soon used to divide the day into 12 hours; the night was similarly divided. In Egypt there is not as much seasonal variation in the length of the day, but those further from the equator would need to make many more modifications in calibrating their sundials to deal with these differences. Ancient traditions did ''not'' begin the day at midnight, some starting at dawn instead, others at dusk (both being more obvious). Since a sundial has only one "hand," a minute probably only meant "a short time." It took centuries for technology to make measurements precise enough for minutes (and later seconds) to become fixed meaningful units—longer still for milliseconds,
nanosecond A nanosecond (ns) is a unit of time in the International System of Units (SI) equal to one billionth of a second, that is, of a second, or 10 seconds. The term combines the SI prefix ''nano-'' indicating a 1 billionth submultiple of an SI unit ( ...
s, and further subdivisions. When the
water clock A water clock or clepsydra (; ; ) is a timepiece by which time is measured by the regulated flow of liquid into (inflow type) or out from (outflow type) a vessel, and where the amount is then measured. Water clocks are one of the oldest time- ...
was invented, time could also be measured at night—though there was significant variation in flow rate and less
accuracy Accuracy and precision are two measures of ''observational error''. ''Accuracy'' is how close a given set of measurements ( observations or readings) are to their ''true value'', while ''precision'' is how close the measurements are to each oth ...
and
precision Precision, precise or precisely may refer to: Science, and technology, and mathematics Mathematics and computing (general) * Accuracy and precision, measurement deviation from true value and its scatter * Significant figures, the number of digit ...
. With water clocks, and also candle clocks, modifications were made to have them make sounds on a regular basis. With the invention of the hourglass (perhaps as early as the 11th century), hours and units of time smaller than an hour could be measured much more reliably than with water clocks and candle clocks. The earliest reasonably accurate mechanical
clock A clock or a timepiece is a device used to measure and indicate time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month and t ...
s are the 13th century tower clocks probably developed for (and perhaps by) monks in Northern Italy. Using gears and gradually falling weights, these were adjusted to conform with canonical hours—which varied with the length of the day. As these were used primarily to ring bells for prayer, the clock dial likely only came later. When dials were eventually incorporated into clocks, they were analogous to the dials on sundials, and, like a sundial, the clocks themselves had only one hand. A possible explanation for the shift from having the first hour being the one after dawn, to having the hour after noon being designated as 1 pm (
post meridiem The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from Latin , translating to "before midday") and p.m. (from Latin , translating to "after midday"). For different opinions on represent ...
), is that these clocks would likely regularly be reset at local high noon each day. This, of course, results in midnight becoming 12 o'clock. Peter Henlein, a locksmith and burgher of
Nuremberg Nuremberg ( ; german: link=no, Nürnberg ; in the local East Franconian dialect: ''Nämberch'' ) is the second-largest city of the German state of Bavaria after its capital Munich, and its 518,370 (2019) inhabitants make it the 14th-largest ...
, Germany, invented a spring-powered clock around 1510. It had only one hand, had no glass cover, and was rather imprecise because it slowed down as the spring unwound. In fact, Henlein went so far as to develop the first portable watch; it was six inches high. People usually carried it by hand, or wore it around their necks or in large pockets. The first reported person to actually wear a watch on the wrist was the French mathematician and philosopher, Blaise Pascal (1623–1662). He attached his pocket watch to his wrist with a piece of string. In 1577, the minute hand was added by a Swiss clock maker, Jost Burgi (who also is a contender for the invention of
logarithms In mathematics, the logarithm is the inverse function to exponentiation. That means the logarithm of a number  to the base  is the exponent to which must be raised, to produce . For example, since , the ''logarithm base'' 10 of ...
), and was incorporated into a clock Burgi made for astronomer
Tycho Brahe Tycho Brahe ( ; born Tyge Ottesen Brahe; generally called Tycho (14 December 154624 October 1601) was a Danish astronomer, known for his comprehensive astronomical observations, generally considered to be the most accurate of his time. He was ...
, who had a need for more accuracy as he charted the heavens.


Isochronous time

With invention of the
pendulum clock A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. The advantage of a pendulum for timekeeping is that it is a harmonic oscillator: It swings back and forth in a precise time interval dependent on i ...
in 1656 by Christiaan Huygens, came
isochronous A sequence of events is isochronous if the events occur regularly, or at equal time intervals. The term ''isochronous'' is used in several technical contexts, but usually refers to the primary subject maintaining a constant period or interval ( ...
time, with a fixed pace of 3600 seconds per hour. By 1680, both a minute hand and then a second hand were added. Some of the first of these had a separate dial for the minute hand (turning counter-clockwise), and a ''second'' hand that took 5 minutes per cycle. Even as late as 1773, towns were content to order clocks without minute hands. But the clocks were still aligned with the local noonday sun. Following the invention of the locomotive in 1830, time had to be synchronized across vast distances in order to organize the train schedules. This eventually led to the development of
time zone A time zone is an area which observes a uniform standard time for legal, commercial and social purposes. Time zones tend to follow the boundaries between countries and their subdivisions instead of strictly following longitude, because it ...
s, and, thus, global isochronous time. These time changes were not accepted everywhere right away, because many people's lives were still tied closely to the length of the daytime. With the invention in 1879 of the light bulb, that changed too. The isochronous clock changed lives. Appointments are rarely "within the hour," but at quarter hours (and being five minutes late is often considered being tardy). People often eat, drink, sleep, and even go to the bathroom in adherence to some time-dependent schedule.


See also

*
12-hour clock The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from Latin , translating to "before midday") and p.m. (from Latin , translating to "after midday"). For different opinions on represen ...
*
Punctuality Punctuality is the characteristic of being able to complete a required task or fulfill an obligation before or at a previously designated time. "Punctual" is often used synonymously with "on time". An opposite personality trait is tardiness ...
* Timeline of historic inventions *
Timeline of time measurement technology The history of timekeeping devices dates back to when ancient civilizations first observed astronomical bodies as they moved across the sky. Devices and methods for keeping time have since then improved through a long series of new inventions ...


References


Further reading

*''The Discoverers'' – Daniel J. Boorstin *''Theory Out of Bounds'' – Isabelle Stengers/Ilya Prigogine *''Order out of Chaos'' – Ilya Prigogine *''Multifractals and
1/f noise Pink noise or noise is a signal or process with a frequency spectrum such that the power spectral density (power per frequency interval) is inversely proportional to the frequency of the signal. In pink noise, each octave interval (halving ...
'' –
Benoît Mandelbrot Benoit B. Mandelbrot (20 November 1924 – 14 October 2010) was a Polish-born French-American mathematician and polymath with broad interests in the practical sciences, especially regarding what he labeled as "the art of roughness" of phy ...
*''Conversations on Science, Culture, and Time ( Studies in Literature and Science)'' –
Michel Serres Michel Serres (; 1 September 1930 – 1 June 2019) was a French philosopher, theorist and writer. His works explore themes of science, time and death, and later incorporated prose. Life and career The son of a bargeman, Serres entered France's ...
; et al. *''The Structure of Scientific Revolutions'' – Thomas S. Kuhn *''Technics and Civilization'' –
Lewis Mumford Lewis Mumford (October 19, 1895 – January 26, 1990) was an American historian, sociologist, philosopher of technology, and literary critic. Particularly noted for his study of cities and urban architecture, he had a broad career as a w ...
*Landes, David: ''Revolution in Time: Clocks and the Making of the Modern World'': (Belknap/Harvard, 1983) *Aveni, Anthony: ''Empires of Time: Calendars, Clocks, and Cultures'': (Basic Books, 1989) *Thompson, EP: Time, work-discipline and industrial capitalism. ''Past & Present'' 38(1), 56–97 (1967)


External links


24-hour analog clocks



Quotes About Time Passing

Huygens' clocks

Early Clock Face with separate minute dial

BBC article
on shortest time ever measured (10−16 seconds) as of 2004.
''Upside Down and Backwards: Time Discipline in a Canadian Inuit Town''
by Pamela Stern of the
University of Waterloo The University of Waterloo (UWaterloo, UW, or Waterloo) is a public research university with a main campus in Waterloo, Ontario, Canada. The main campus is on of land adjacent to "Uptown" Waterloo and Waterloo Park. The university also operates ...
. {{DEFAULTSORT:Time Discipline Horology Anthropology Timekeeping Sociological terminology