Submarines are the silent hunters of the deep. From the large nuclear-powered boats of today’s navies, to the German U-Boats of the First and Second World Wars, these machines hidden beneath the waves can change the course of history. In the United States, the first submersible was the Turtle with an egg-shaped hull designed by David Bushnell. This hand-powe ... Show More
Jan 2019
How a Broken Toilet Foiled a German Sub
Toward the end of World War II, the German Type VIIC submarine was acknowledged to be one of the most advanced -- and deadliest -- predators on the seas. Yet, in at least one case, some of the same technological breakthroughs that made these subs astonishing also led to their dem ... Show More
23m 22s
Oct 2025
CLASSIC: How a Broken Toilet Foiled a German Sub
Toward the end of World War II, the German Type VIIC submarine was acknowledged to be one of the most advanced -- and deadliest -- predators on the seas. Yet, in at least one case, some of the same technological breakthroughs that made these subs astonishing also led to their dem ... Show More
25m 48s
Sep 2024
Narcís Monturiol’s Submarines
<p>Catalan inventor Narcís Monturiol fought for ideals like equality, freedom, and progress in the midst of a lot of social and political chaos in 19th-century upheavals in Spain and Catalonia. And then, he built submarines.</p> <p><strong>Research:</strong></p> <ul> <li>"Submari ... Show More
46m 27s
Nov 2022
Submarine Rescue: The Race to Save Squalus | Into the Deep | 1
On the morning of May 23, 1939, a state-of-the-art U.S. Navy’s submarine, the USS Squalus, was doing a routine test dive when something went terribly wrong. The sub began flooding, and plunged 240 feet down to the bottom of the ocean, trapping the dozens of sailors aboard. The sh ... Show More
47m 8s