1. How do we know how rocks are formed? Lab experiments are the way to confirm our hypothesis on rock genesis. Is it a question of time or tides?

    # vimeo.com/8779461 Uploaded 1,718 Plays 2 Comments
  2. On October 26th, a hole was blasted in the base of 125' tall Condit Dam on the White Salmon River in Washington. In less than 2 hours, the reservoir behind the dam drained completely and the White Salmon flowed unimpeded by a dam for the first time in 100 years.

    This short clip is a combination of video and timelapse photography captured throughout the day. The technical stuff:

    Video was shot with a Sony FS100, a Sony EX1 recording to a KiPro HDD recorder, and a Canon 5D.
    The timelapse photography was done with 2 Canon Rebel T2is and a Canon 7D. Additional cameras used include GoPro Hero 2s, GoPro HD Heros and a Canon 1D Mark 4.

    This video first appeared on the National Geographic News site here: http://bit.ly/uCeO9d
    and is a part of my larger effort to document the restoration of the White Salmon River: http://bit.ly/ro6Pjh

    Big thanks to my partner in this project, Steve Stampfli, for all of his ideas and effort.

    # vimeo.com/31305629 Uploaded 574K Plays 24 Comments


David Olsson

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