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- Season 1 1993-12-10
- Season 2 1994-12-16
- Season 3 1995-08-20
- Season 4 1996-09-02
- Season 5 1997-08-17
- Season 6 1998-07-27
- Season 7 2000-01-03
- Season 8 2001-01-08
- Season 9 2002-01-02
- Season 10 2003-01-01
- Season 11 2004-01-16
- Season 12 2005-01-05
- Season 13 2006-01-04
- Season 14 2007-01-17
- Season 15 2008-01-07
- Season 16 2010-01-14
- Season 17 2010-10-29
- Season 18 2011-10-03
- Season 19 2013-07-16
- Season 20 2021-02-20
- Season 21 2021-07-25
- Season 22 2021-11-28
- Season 23 2022-02-16
Season 23 Episode
- Season 18 Inside Your Walls
- Season 18 Built by Hand
- Season 18 Swamp Tech
- Season 18 Pocket Tools
- Season 18 Food Trucks
- Season 18 Weird Machines
- Season 18 More Candy
- Season 18 Battle Ready
- Season 18 Stink
- Season 18 Waterproof
- Season 18 Wood
- Season 18 Convenience Stores
- Season 18 Tiny Weapons
- Season 18 Under Pressure
- Season 18 Shoes
- Season 18 Alaska
Modern Marvels - Season 18 Episode 1 Inside Your Walls
7.90 44 minutes Don't look now–but there's a lot more to your walls than you'd ever imagine. Take a penetrating look inside something we consider utterly mundane, and uncover a surprising and sometimes shocking world. A computer-managed home in Colorado showcases the high tech gadgetry destined to inhabit every wall in the future. At the headquarters of Orkin in Atlanta, a network of walls with cutouts and Plexiglas windows reveal how pests and creepy crawlies of all kinds can congregate in huge numbers inside our homes. In Washington, scientists at Underwriters Labs play with fire in the name of research, investigating how our walls can keep us safe–or expose us to a fiery death. And in Los Angeles, a security company demonstrates innovative new technology that can "see" through walls–detecting motion, heat, breathing, even heartbeats.
