Episode
Modern Marvels: Clocks
Overview
Does anybody really know what time it is? Set your clocks as we explore the relativity of time from antiquity–when man attempted to chart time with methods ranging from shadows, candles, and water–to today’s atomic clock system–accurate to within one second every two-million years.
Details
- Series
- Modern Marvels
- Season
- Season 6
- Episode
- Episode 18
- Air date
- 1999-02-22
- Runtime
- 44 min
Episode context
Clocks is Episode 18 in Season 6 of Modern Marvels. It aired on 1999-02-22. The runtime is 44 min.
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Episode 17: Mail Delivery
Through rain, snow, heat, or gloom of night, we expect postmen to deliver the mail. The U.S. Post Office handles over 603-million pieces of mail daily. Yet it represents only 43% of the world’s total mail volume. From ancient Sumerians to Pony Express, from airmail to E-mail, we follow the long journey of mail.
Episode 19: Airships.
First there were balloons and blimps. Then, visionaries enlarged, reinforced, and motorized them and the airship was born. The biggest aircraft ever flown, they remain one of the most romantic aerial creations. In all, 161 rigid airships were built before spectacular crashes, including the EM Hindenburg /EM , put an end to the era.
More episodes from this season
Episode 16: Stereos
The ability to transmit sound in stereo transformed the music of life into a rich symphony of sound. For over 100 years, enthusiasts and scientists have worked to create the ideal listening experience. From Thomas Edison’s early phonograph to today’s digital revolution, we examine this multi-billion dollar business.
Episode 20: Physical Fitness
Meet the Strong Men and Women who go beyond mere fitness to pursue major muscle mass–from ancient Greeks, to performers in the 1800s astounding audiences with feats of strength, to the body builders of California’s Muscle Beach! Lou Ferrigno and other stars share stories of the pursuit of muscle. Also looks at the effect of steroids.
Episode 15: Weather Prediction
A study of the discoveries, inventions, and technological advances that have helped us understand and predict weather accurately. From simple observations made by early humans, to early instruments such as thermometers and barometers, to Doppler radar and satellite imaging, we’ll see how man has tried to harness weather.
Episode 21: Engineering Disasters
Throughout history, the builders and engineers who paved our way out of the caves and into the modern world have also caused some of our worst disasters. What happens when their calculations prove wrong and it all comes tumbling down? From Hammurabi’s days, when the first building laws were instituted, to today’s potential nuclear or chemical disasters that can spell death for thousands, we’ll take a harrowing 2-hour tour through some of history’s greatest engineering mistakes.
Episode 14: Prosthetics
From the earliest recorded account of an amputation and subsequent prosthesis in ancient Hindu writings, to a 16th-century fully articulated artificial hand controlled by an intricate geared mechanism, to today’s use of plastics and space-age materials, we chronicle the long history of prosthetic devices.
Episode 22: City Parks
Even in ancient times, city dwellers needed a scenic break from the urban landscape. But parks play a more important role than mere relief from tension–they also keep temperatures down and supply much-needed oxygen in congested cities. Come along for a stroll through New York City’s Central Park and L.A.’s Griffith Park.
Episode 13: Bombs
Bombs…the most feared and powerful weapon in any nation’s arsenal. What began as incendiary devices in the 7th century has evolved into weapons that can literally blow the human race off the face of the earth! From the use of diseased carcasses flung over castle walls to Greek Fire to today’s smart bombs, we review the evolution of bombs.
Episode 23: Spy Technology
Espionage has been used for at least the last 4,000 years. And where there are spies, you find gadgets! We focus on the last 100 years of cloak and dagger technology–from early code-breaking computers to satellite reconnaissance–and take a look at the James Bond-type gadgets of the Cold War.
Episode 12: Extreme Sports Gadgets
To run faster, jump higher, and play longer–the ultimate goal of all athletes. But when training runs its course, science and technology jump in. Explore the history and technological advances in everything from athletic shoes to football gear. And leap into a future filled with radar-enhanced baseballs and virtual-reality stadiums.
Episode 24: Battlefield Medicine
“He who would become a surgeon should join the army and follow it,” Hippocrates counseled nearly 2,500 years ago. In this history of medicine under fire, we see how a small army of medics, nurses, surgeons, stretcher-bearers, and ambulance drivers, races to keep pace with the deadly advances of war.