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The history of timekeeping is a story of humanity trying to tame something invisible yet relentless. Early societies relied on nature’s grand clock: the rising sun, shifting shadows, and changing seasons.

In places like Ancient Egypt, obelisks and sundials divided daylight into segments, while monuments such as Stonehenge may have helped track solstices.

As night fell, water clocks and candle clocks kept time flowing when the sun could not. By the Middle Ages, mechanical clocks emerged in European towers, ticking away with gears and weights like iron hearts. Precision leapt forward in the 17th century when Galileo Galilei studied pendulums, leading to the pendulum clock, which dramatically improved accuracy.

The Industrial Revolution demanded stricter time discipline, especially for railways, giving rise to standardized time zones. Then came the quiet revolution of the 20th century: the atomic clock. Instead of gears or swinging weights, it measures the vibrations of atoms, achieving astonishing precision.

Today, timekeeping underpins technologies like Global Positioning System, where nanoseconds matter. From shadows on stone to atoms humming in perfect rhythm, humanity has transformed time from a natural rhythm into a finely tuned instrument guiding modern life.

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In places like Ancient Egypt, obelisks and sundials divided daylight into segments, while monuments such as Stonehenge may have helped track solstices.

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JC Reardon (John) is a prolific Australian author born in 1950, known for writing over 200 books across diverse subjects, including history, technology, and biography. He is also a pioneer in Australia's technology landscape, having founded one of the country's first Internet Service Providers and operated its first domain name provider.

written.app

Key Details About JC Reardon:

Prolific Author: Reardon has written a vast catalogue of books, covering topics such as Australian history (e.g., The Story of QANTAS, Sydney Australia), biographical topics (William Bligh, Vladimir Putin), and specialized subjects like motorcycles, the British SAS, and Artificial Intelligence.

Background in Technology: He was a trailblazer in the Australian IT industry, specifically in the formative years of the Internet, adopting satellite technology and managing domain names.

Interests: Beyond technology and writing, he is interested in genealogy and amateur radio.

Publishing: His paperback editions are largely available through the platform "Books by", where he is featured as a technologist-turned-author.

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Clocks - A history of Time

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