How do you measure a field like electrical or magnetic fields? The field itself is of course not visible. But you can see the effects of a field and use that for the visualization. For example, in case of magnetic fields a nice high school type of experiment is to use iron filings sprayed around a [...]
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Tag Archives: surface plasmons
The cool side of semiconductors
Ultracold atoms might no longer be the only hot game in the town of cold condensates. A few weeks ago I highlighted the analogies between the science of ultracold atoms and other areas of physics, down to lasers even. Now meet the new kids on the block: the polaritons. Even though they sound more like [...]
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January 20, 2011

