Archive for February, 2002
A look at siege machines that convert energy into mechanical force to go over, under, or through fortified or fixed defenses too strong for conventional force. These engines range from man’s first long-range missile weapon, the slingshot, to the laser cannons and satellite-destroying robots of the 21st century. All of these machines are designed to breach barriers–castle walls, entrenched troops, even outer space. When the going gets tough, the tough get siege machines
How do you stop a speeding bullet? From body armor to armored cars and trucks, we review the history of the race between the bullet and a successful way to stop it. It’s not exactly easy to design material that can catch gunfire traveling up to 3,000 feet per second. We’ll look at little-known advances like bulletproof layering hidden in walls, futuristic smart materials that “remember” how to stop a bullet, and a system that deploys a shield within milliseconds when it detects an oncoming round.
As we power-up and unfurl the sails on a magical cruise through time, viewers meet the people who’ve devoted their lives to pleasure boating. Traveling throughout the U.S. and Europe, we delve into a world of luxury, adventure, and sport on spectacular vessels ranging from classic yachts to sports boats to the ultimate floating palaces. In this timeless pastime, technological wonders continue to evolve and enthrall.