This false-color image (hi-res version) shows a diffraction pattern made when a beam of electrons struck a target of lanthanum aluminate. Neutrons, diffract, as do x-rays, and visible light (see Physics in Your World). These phenomena illustrate the wave-particle duality.
This feature was updated on July 6, 2009.
Image:
image credit: Paul A. Midgley, University of Cambridge
