11.7: This is the number of teslas corresponding to the magnetic field of the most powerful MRI device in the world that will be launched in 2019. Built to understand the human brain better, the neuroimaging machine will provide scans of our gray matter 100 times more accurate than currently. About the size of a five-story building, the giant cylinder is located in France at the NeuroSpin Center, headed by Stanislas Dahaene.