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• Imaging with neutrons: Magnetic domains shown for the first time in 3D
  

  So far, it has only been possible to image magnetic domains in two dimensions. Now, for the first time, Scientists at Helmholtz-Zentrum Berlin (HZB) have managed to create three-dimensional images of these domains deep within magnetic materials. Although they exist in almost every magnetic material more

• Can you analyze me now? Cell phones bring spectroscopy to the classroom

  University of Illinois chemistry professor Alexander Scheeline wants to see high school students using their cell phones in class. Not for texting or surfing the Web, but as an analytical chemistry instrument. Scheeline developed a method using a few basic, inexpensive supplies and a digital camera more

• The effects of hydrogen on growing carbon nanotubes

  Carbon nanotubes -- long, hollow cylinders of carbon billionths of a meter in diameter -- have many potential uses in nanotechnology, optics, electronics, and many other fields. The exact properties of nanotubes depend on their structure, and scientists as yet have little control over that structure more

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