How To (Safely) Demolish A Building

When demolition companies “blow up” a skyscraper, they’re actually imploding the structure. So how do they collapse a building without destroying everything around it? Learn more at HowStuffWorks.com: http://science.howstuffworks.com/engineering/… Share on Facebook: http://goo.gl/Noxo28 Share on Twitter: http://goo.gl/BPhFyY Subscribe: http://goo.gl/ZYI7Gt Visit our site: http://www.brainstuffshow.com Have you seen a demolition company blow up a skyscraper… without affecting any of the other buildings around it? Obviously science (and you know… explosives) are used to control the collapse, but how exactly do you demolish a building so that it falls inward? Well, the trick is to “implode” the building, rather than “explode” it. This way, it collapses down to its “footprint” -- the area defined by the perimeter of its structure. An implosion only takes a few seconds. But the preparation to get it right… takes years. The people who control building dem