What's the hottest topic in physics?

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Discussion Overview

The discussion centers around identifying the "hottest" topic in physics, exploring various fields and concepts that may be considered significant or trending. Participants mention different areas of research and provide links to external articles for further context.

Discussion Character

  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • One participant dismisses string theory as a significant topic.
  • Another participant suggests nuclear fusion, humorously noting the high temperatures involved.
  • A third participant makes a non-serious reference to Salma Hayek, which does not contribute to the scientific discussion.
  • A participant argues that carbon nanotubes are currently the hottest topic in physics, referencing a ranking system developed by a PhD student that evaluates the popularity of various scientific fields based on citation metrics.
  • The ranking system mentioned includes other topics such as nanowires, quantum dots, fullerenes, and M-theory, indicating a broader context for evaluating significance in physics.

Areas of Agreement / Disagreement

Participants do not reach a consensus on what the hottest topic in physics is, with multiple competing views presented regarding string theory, nuclear fusion, and carbon nanotubes.

Contextual Notes

The discussion references a new ranking system based on citation metrics, which may have limitations in terms of how it defines "importance" in scientific fields and does not resolve which topic is definitively the hottest.

Physics news on Phys.org
Fusion?

I hear that temperatures get pretty "Hot" in nuclear Fusion...

*symbol crash*

(sorry couldn't resist)
 
Salma Hayek?
 
Carbon nanotubes!
http://nanotechweb.org/articles/news/5/5/5/1
Carbon nanotubes are the hottest topic in physics, according to a new way of ranking the popularity of different scientific fields. Nanowires are second, followed by quantum dots, fullerenes, giant magnetoresistance, M-theory and quantum computation. The new ranking has been developed by Michael Banks, a PhD student at the Max Planck Institute for Solid-State Physics in Stuttgart, Germany. He thinks the index could be a quick and simple way of determining the most important subject areas in physics and could even help graduate students choose which field to do their PhD in (physics/0604216).
The new index is based on the "Hirsch index", which was devised last year by Jorge Hirsch of the University of California at San Diego as a way of quantifying the performance of individual scientists. Hirsch's h-index is derived from the number of times that papers by a particular scientist are cited. A scientist with an h-index of 10, say, will have published 10 papers that have received at least 10 citations each. The best researchers should therefore have the highest h-indexes.
 
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