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Harrison's Marine Chronometer
Article by Mark Cartwright

Harrison's Marine Chronometer

John Harrison (1693-1776) invented an accurate marine chronometer after several decades of research and development. While the pendulum clock had already been invented in the 17th century, a clock that could withstand the vagaries of the...
Mesopotamian Inventions
Article by Joshua J. Mark

Mesopotamian Inventions

Mesopotamian inventions include many items taken for granted today, most of which were created during the Early Dynastic Period (2900-2334 BCE) or developed from achievements of the Uruk Period (4100-2900 BCE). The Sumerians are credited...
Chester: A Time-Travelling City
Article by Rachael Lindsay

Chester: A Time-Travelling City

It is said that Chester is the richest city in Britain in terms of archaeological and architectural treasures. One of the finest strategic outposts of the Roman Empire, it is one of the few walled cities left in Britain today. Rachael Lindsay...
Hanging the Laundry out to Dry by Morisot
Image by National Gallery of Art, Washington

Hanging the Laundry out to Dry by Morisot

An 1875 oil on canvas painting, Hanging the Laundry out to Dry, by Berthe Morisot (1841-95), the French impressionist painter. Painted in Gennevilliers, an outer suburb of Paris where new housing had recently been built. The painting is a...
Slave Trader Advertisement Taken Out By Henry Laurens and His Partners in a Charleston Newspaper
Image by Library of Congress

Slave Trader Advertisement Taken Out By Henry Laurens and His Partners in a Charleston Newspaper

A slave trader advertisement in a Charleston, South Carolina newspaper, taken out by Henry Laurens and his partners, published on 26 April 1760. Library of Congress, Prints and Photographs Division, Washington D.C.
Burnt-out Hamburg Buildings, Operation Gomorrah
Image by J. Dowd

Burnt-out Hamburg Buildings, Operation Gomorrah

A photograph of burnt-out residential buildings in Hamburg following the firestorm created by the RAF bombing campaign Operation Gomorrah of July 1943. (Imperial War Museums Collection)
Silphium: The Miracle Plant The Romans Wiped Out
Video by Cogito

Silphium: The Miracle Plant The Romans Wiped Out

Miracle contraceptive, wonder drug, aphrodisiac, the origin of the heart symbol, and hemorrhoid cure??? Tiktok, National Geographic, even FACEBOOK are all obsessed with this plant, Silphium, which grew over 2000 years ago here near Cyrene...
6 Advanced Ancient Inventions We Still Can't Figure Out
Video by Beyond Science

6 Advanced Ancient Inventions We Still Can't Figure Out

We’ve lost the secret to making some of history’s most useful inventions, and for all of our ingenuity and discoveries, our ancestors of thousands of years ago are still able to baffle us with their ingenuity and discoveries. We have developed...
Ancient World Time Chart
Image by John S. Knox

Ancient World Time Chart

A traditional depiction of the major events of the ancient world (Mesopotamia through the Greeks).
Hourglass
Image by iStockPhoto.com

Hourglass

An hourglass.
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