Ask This Old House host Kevin O’Connor travels to UL Laboratories to learn about preventing fires from holiday decorations. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse...

Ask This Old House landscape contractor Roger Cook teaches his apprentice how to identify and repair a walkway that has been damaged by chipmunks. SUBSCRIBE to This Old House: http://bit.ly/Subscri...

Ask This Old House general contractor Tom Silva shims a window that has fallen out of parallel due to improper installation. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse...

Ask This Old House mason Mark McCullough tests out different tools that collect silica dust more efficiently. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Cost: $60-$200...

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner diagnose and repair a wobbly toilet. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Time:...

Ask This Old House host Kevin O’Connor builds a table with Jimmy DiResta, a maker who’s famous online for how-to videos. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse...

Ask This Old House general contractor Tom Silva demonstrates some techniques for cutting straight edges with a circular saw. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse...

Ask This Old House general contractor Tom Silva shows low cost options to customize a closet. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Cost: $20-$100 Skill Level:...

Today we’re going to talk about open world games. Open world games are different than most video games because although they often have goals and tasks, they usually encourage what is known...

Ask This Old House plumbing and heating expert Richard Trethewey installs a vanity for homeowners who gave up on it 7 years ago. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse...

Today, we’re going to talk about the gaming devices that combine the screen, speakers, controls, and computer into one neat little package - that’s right we’re talking about handheld...

So, how do those defibrillators you see on TV actually work? Surprise! Physics can explain! Okay, buckle up, everyone! Today, Shini has the task of breaking down electrical potential energy,...

We have removed and are re-working our Crash Course Human Geography series. John explains. Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCour...

Batteries power much of your daily life, so today we re going to talk about how they work. We re also explaining how terminal voltage results from the natural internal resistance of every real...

By now you know your way around a basic DC circuit. You’ve learned how to simplify circuits with resistors connected in series and parallel with a single battery source. But a lot of the...

Hans Christian Oersted had just discovered the connection between electricity and magnetism. Meanwhile, a French physicist named André-Marie Ampère was experimenting with some wires, trying...

Ask This Old House plumbing and heating expert Richard Trethewey goes over low-budget kitchen upgrades. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Time: 2 hours Cost:...

Ask This Old House general contractor Tom Silva travels to a workshop in San Francisco to build a stool using computer-based tools. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse...

Ask This Old House general contractor Tom Silva analyzes a staircase that is not to code for prospective homebuyers. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Steps:...

Ask This Old House general contractor Tom Silva works with Team Rubicon to tear down a home damaged by Hurricane Harvey. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Resources:...