8 technological failures behind the oil cleanup, in images

It's the largest oil spill in American history, and BP's shame has been bleeding into the Gulf of Mexico for over 40 days now. What's being done? Well, in a word, a lot. Swarms of underwater robots, a fleet of ships and a whole army made up of volunteers, the Coast Guard, engineers and workers are considering everything imaginable to stop up the well, which lies 5,000 feet underwater.

Click through the gallery below to see the powerful technology and creative approaches at work — approaches that have so far, sadly, failed.