It's time to slice and dice take a cutting-edge look at the most amazing blades in the world, from the legendary sword of the samurai warrior with an edge sharp enough to sever a man's arm in a single swipe.
The Overseas Highway links mainland Florida with the Florida Keys, and contains 51 bridges, including the Seven-Mile Bridge a 175-million refurbishment that ended in 1982 resulted in today's remarkable Overseas Highway.
The Trans-Siberian railroad provokes a war, crosses treacherous terrain, and encounters huge obstacles it's the longest, most expensive and complicated railroad ever built ordered by the Czar in an effort to save his empire.
Perhaps the most important and yet least recognized aspect of warfare is battlefield engineering battlefield engineers lay the groundwork, quite literally, for the battle to come.
Infantry soldiers known as "Tunnel Rats" searched for and destroyed secret subterranean enemy networks in Vietnam armed with flashlights and pistols, these volunteers faced lethal odds and uncovered arms caches, with many casualties.
How dynamite has been used in the construction of roads, tunnels and dams. Included: the invention of dynamite.
Extreme firefighting techniques must be used to quell blazes from oil wells, war, forest fires and airplanes.
Meet the loggers who started it all, and find out what really happens on the journey from stump to sawmill.
Visiting the U.S. Library of Congress to explore the contents of secret vaults and see how the staff of 4,000 catalogs and preserves treasures.
Glass serves as one of the most versatile materials, sheathing skyscrapers, containing liquids, aiding vision, enabling high-speed communication, and providing artistic expression heating certain rocks and minerals creates this transparent material.
Adam learns the true meaning of heavy when he visits legendary heavy equipment manufacturer: John Deere big machines do big jobs and he gets an inside look at how top brands like SANY and JCB are pushing the envelope on what these machines can do.
The transmission of forces from point to point through fluid opens the door for the Industrial Revolution.
Mechanical feats of strength by the world's most-powerful elevators, a monster mine machine, the world's strongest mountain bike, a space vehicle transporter and an unbeatable blender.
What does it take to rate as "the world's strongest"? Watch as life-saving boron carbide body armor, strong enough to stop 9mm machine gun bullets at point-blank range, is put to the test.
Strength measurement explores why some things are stronger than others examine rope, tractor, diamond, tugboat, and plastic strength from Spectra fiber to Lexan, discovering where, how, and why strength matters in daily life applications.
The work of arson detectives, from a suspicious fire in Houston to the motives behind recent church fires.
Meet the loggers who started it all, and find out what really happens on the journey from stump to sawmill.
Visiting the U.S. Library of Congress to explore the contents of secret vaults and see how the staff of 4,000 catalogs and preserves treasures.
Glass serves as one of the most versatile materials, sheathing skyscrapers, containing liquids, aiding vision, enabling high-speed communication, and providing artistic expression heating certain rocks and minerals creates this transparent material.
Adam learns the true meaning of heavy when he visits legendary heavy equipment manufacturer: John Deere big machines do big jobs and he gets an inside look at how top brands like SANY and JCB are pushing the envelope on what these machines can do.