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Image Caption
The image above, "Transport II," depicts rendered electron flow paths in a two dimensional electron gas (2DEG). The scale of the image is about the size of a bacterium. The image is based on flow patterns for electrons riding over a bumpy landscape, which is what electrons experience in the 2DEG that they dwell in. The electrons have more than enough energy to ride over any bump, and the concentrations of electron flow into the branches seen here are recently discovered indirect effects of that bumpy ride. The channeling or branching was unexpected and has implications for small electronic devices of the future.
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Voices on the Radio
John Polkinghorne
Polkinghorne is Canon Theologian of Liverpool Cathedral in England and author of many books, including Quarks, Chaos, and Christianity. He served as Professor of Mathematical Physics at Cambridge University, and is a Fellow of The Royal Society.
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