Modern Marvels
Historians, engineers and military experts examine the Great Wall of China.
2026-07-13 00:53:00 +0000 UTC→2026-07-13 01:47:53 +0000 UTC(54m)
Schedule for Modern Marvels
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Modern Marvels
Fortification evolved as man tried to defend his territory from attack.
2026-07-13 04:52:41 +0000 UTC→2026-07-13 06:33:43 +0000 UTC(1h41m)
Modern Marvels
Humans adapt to extreme environments from desert to space and physiological responses to danger.
2026-07-13 04:00:00 +0000 UTC→2026-07-13 04:52:41 +0000 UTC(52m)
Modern Marvels Essentials
From banishing waste to battling B-O, the modern bathroom is full of wonders.
2026-07-13 03:33:38 +0000 UTC→2026-07-13 04:00:00 +0000 UTC(26m)
Modern Marvels
Humans adapt to extreme environments from desert to space and physiological responses to danger.
2026-07-13 02:41:57 +0000 UTC→2026-07-13 03:33:38 +0000 UTC(51m)
Modern Marvels
Combat training throughout history, reviewing survival skills and psychological tools.
2026-07-13 01:47:53 +0000 UTC→2026-07-13 02:41:57 +0000 UTC(54m)
Modern Marvels
Historians, engineers and military experts examine the Great Wall of China.
2026-07-13 00:53:00 +0000 UTC→2026-07-13 01:47:53 +0000 UTC(54m)
Modern Marvels
When completed, China's Three Gorges Dam will tower high and weigh more than forty Great Pyramids.
2026-07-12 23:59:13 +0000 UTC→2026-07-13 00:53:00 +0000 UTC(53m)
Modern Marvels
Quarries use dynamite to extract rock, civilization's raw material for construction.
2026-07-12 23:05:19 +0000 UTC→2026-07-12 23:59:13 +0000 UTC(53m)
Modern Marvels
An underground subway system transforms the bustling metropolis of Athens, Greece.
2026-07-12 22:11:55 +0000 UTC→2026-07-12 23:05:19 +0000 UTC(53m)
Modern Marvels
Basement history from ancient civilizations to Colonial America; storage, shelter, and hidden rooms.
2026-07-12 21:18:42 +0000 UTC→2026-07-12 22:11:55 +0000 UTC(53m)
Modern Marvels
It was a science first conjured amid the fiery ovens of ancient blacksmiths.
2026-07-12 20:27:07 +0000 UTC→2026-07-12 21:18:42 +0000 UTC(51m)
Modern Marvels
The discovery of metallurgy allows people to forge stronger, more versatile blade implements.
2026-07-12 19:33:35 +0000 UTC→2026-07-12 20:27:07 +0000 UTC(53m)
Modern Marvels
The highlights of fireworks exhibitions throughout history, and the behind the scenes of the craft.
2026-07-12 18:38:42 +0000 UTC→2026-07-12 19:33:35 +0000 UTC(54m)
Modern Marvels
It's the unsung essential of modern life; canning is the method of preserving and packaging food.
2026-07-12 17:46:29 +0000 UTC→2026-07-12 18:38:42 +0000 UTC(52m)
Modern Marvels
The U.S. Post Office handles over 603-million pieces of mail daily.
2026-07-12 16:51:26 +0000 UTC→2026-07-12 17:46:29 +0000 UTC(55m)
Modern Marvels
The historic one-armed bandits; computerized slot machines; the wackiest vending machines.
2026-07-12 16:00:00 +0000 UTC→2026-07-12 16:51:26 +0000 UTC(51m)
Modern Marvels Essentials
From banishing waste to battling B-O, the modern bathroom is full of wonders.
2026-07-12 15:33:38 +0000 UTC→2026-07-12 16:00:00 +0000 UTC(26m)
Modern Marvels
Humans adapt to extreme environments from desert to space and physiological responses to danger.
2026-07-12 14:41:57 +0000 UTC→2026-07-12 15:33:38 +0000 UTC(51m)
Modern Marvels
Combat training throughout history, reviewing survival skills and psychological tools.
2026-07-12 13:47:53 +0000 UTC→2026-07-12 14:41:57 +0000 UTC(54m)
Modern Marvels
Historians, engineers and military experts examine the Great Wall of China.
2026-07-12 12:53:00 +0000 UTC→2026-07-12 13:47:53 +0000 UTC(54m)
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