By — PBS News Hour PBS News Hour Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/science-correspondent-miles-obrien-tests-effectiveness-transcranial-brain-stimulation-performing-tricky-helicopter-landing-without-jolt-brain Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Watch Watch the Full Episode PBS NewsHour from Mar 31, 2015 By — PBS News Hour PBS News Hour