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Jack's

Jack's blog consists of random thoughts, found items, philosophy and humor.

  1. Barack Obama-then and now

    The right isn't the only side of the political spectrum capable of hypocrisy (see my earlier post on Sean Hannity).

    Tags: nsa, obama, rights Add / Edit Tags
    Categories
    Social issues
  2. List of Free Science Books

    http://physicsdatabase.com/book-list-by-title/

    Here’s an alphabetical list of all available free books. Note that many of the links will bring you to an external page, usually with more info about the book and the download links. Also, the links are updated as frequently as possible, however some of them might be broken. - See more at: http://physicsdatabase.com/book-list....ddT7sHB5.dpuf
    Tags: books, free, science Add / Edit Tags
    Categories
    Science
  3. Sean Hannity, then and now

  4. Chladni plate experiment



    "...this experiment is the Chladni plate experiment. I used a tone generator, a wave driver (speaker) and a metal plate attached to the speaker. First add sand to the plate then begin playing a tone. Certain frequencies vibrate the metal plate in such a way that it creates areas where there is no vibration. The sand "falls" into those areas, creating beautiful geometric patterns. As the frequency increases in pitch the patterns become more ...
    Categories
    Science
  5. One Wipe Charlies

    Presented not as advertising but for entertainment. It's a great ad.

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