Month: June 2010

  • Flower Power

    The Wasatch Range peaks are 7000′ higher than the nearby Salt Lake Valley. This has many nice side effects but one of my favorites is that a wide variety of micro-climates is available within a small geographical region. In late Fall or early Spring it can be calmly drizzling in the city, but in the…

  • Compilers and Termination Revisited

    My earlier post C compilers Disprove Fermat’s Last Theorem generated a good amount of discussion both here and on Reddit.  Unfortunately, the discussion was riddled with misunderstandings. Some of this was because the topic is subtle, but some was my fault: the post was intended to be lightweight and I failed to explain the underlying…

  • Book Review: Street-Fighting Mathematics

    The Trinity test occurred on a calm morning.  Enrico Fermi, one of the observers, began dropping bits of paper about 40 seconds after the explosion; pieces in the air when the blast wave arrived were deflected by about 2.5 meters.  From this crude measurement, Fermi estimated the bomb’s yield to be ten kilotons; he was…