What exactly is a blowout preventer, and how does it work? What were some of the flaw’s in the blowout preventer that may have caused it not to work? The Washington Post has a story and an infographic showing what a blowout preventer is, how it works, and what may have contributed to the disaster.

Click the first link below for the full image. The second link below takes you to an interactive infographic on the oil spill, and what it is affecting.

Several things were wrong with BP’s oil well, according to findings of the House Energy and Commerce Committee.

via House panel: Flaws in the well.

via Interactive Graphic: Gulf Coast Oil Spill Map – The Washington Post.