Interesting, Cool and Useful – Jan 29 07

Cool,Personal,SEO by on January 29, 2007 at 7:08 pm


  • Trying to Arbitrage Second Life - A thoughtful analysis done by several arbitrageurs that ultimately determined the Second Life Economy is really a Ponzi Scheme. The key takeaway is that there is no way to take money out of Second Life without severely impacting the exchange rate.
  • Fluid Dynamics Model saves Lives at Hajj - It seems that every year hundreds get trampled to death at Hajj. This year the Saudi government made changes to Jamarat Bridge based on recommendations derived from fluid dynamics. Dirk Helbing and Anders Johansson looked at surveillance imagery from the 2006 trampling incident as if every person was a particle in fluid-dynamical flow. The stampedes, they reasoned, happen when laminar flow smooth transitions to stop and go and turbulent.
  • Black Google page would save 3000 Megawatts annually. A simplified look at the energy that might be saved if Google changed their homepage from white to black.




  1. […] has a series of great posts on his blog about things that are “Interesting, Cool and Useful” The posts themselves are informative and entertaining – always a killer combination. Highly […]

  2. e-boo — January 30, 2007 @ 4:45 pm

    I thought the fireworks were to celebrate the Pats’ win! Oh wait, they lost. Must have been for the Vista launch then.

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