New submitter Morganth writes "According to New Scientist, researchers at DARPA are investing efforts in transcranial direct current stimulation (tDCS) machines to cut the time it takes to train snipers. From the article: 'a 2-milliamp current will run through the part of the brain associated with object recognition — an important skill when visually combing a scene for assailants.' The story also gives a nice explanation on the psychology of 'flow' — the state that experts tend to enter (e.g. programmers, tennis players, pianists) when focusing on their work." We covered similar research done on mice to improve their memory in September.
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