Spinscape: Electron-spin data from a spin-shifting microstructure shows variations from almost no spin (flat regions) to rapid spin (ridges) in a particular direction.

Y. Kato, R. C. Myers, D. C. Driscoll, A. C. Gossard, J. Levy, D. D. Awschalom. Science News 163(8) (2003).

Image courtesy: Dr. D. D. Awschalom, University of California, Santa Barbara.