This Is What They're Going to Try to Put on the Oil Leak

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So BP has finished building the first of three huge steel domes that it's hoping to drop down on top of the oil leaks on the ocean floor. Here's a picture of what that cap looks like. In essence, this dome would funnel the leaking oil up into a pipe that conveys it to a huge tanker on the surface. The Oil Drum has a good explanation of how it's all intended to work.