links for 2009-03-07

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  Beads get ball rolling on avalanche prediction - environment - 07 March 2009 - New Scientist
  
  
  通过对珠子空间结构的分析，可以预测珠子崩塌事件的发生。类似的研究方法也许可以用来预测复杂系统中遵循 power-law 分布，难以用时序分析预测的事件。
  
  
  (tags: science complexity power-law)
  
  
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  Planet Green : Sustainable Living, Energy Conservation, Earth Day
  
  
  
  (tags: environment media sustainability)
  
  
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  TreeHugger
  
  
  
  (tags: environment linked blog)