September/October 2007
From the Labs: Nanotechnology
New publications, experiments and breakthroughs in nanotechnology--and what they mean.
By Kevin Bullis
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A solution of nanoscopic iron oxide particles changes color as a magnet gets closer to it, causing the particles to re¬arrange. The color changes from red to blue as the magnetic field’s strength increases.
Credit: Yin laboratory, University of California, Riverside |
Controlling Color with Magnets
New material can become any visible color
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Massachusetts Institute of Technology