Mystery Images
Please get in touch with me if you think you can explain any of the phenomena pictured on this page.
These photographs of the C&O Canal were taken from the towpath in Great Falls National Park on 16 December 2002. The Canal at this point is bounded on the opposite side by steep slopes; the towpath is bounded on the side away from the Canal by a cliff-like dropoff. Thus, springs are not likely to be present beneath the near edge of the Canal. What formed these patterns?
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After an accidental injury to the radial-side digital nerve and profundus tendon of my right index finger, I underwent microsurgical repair on 31 December 2004, and an elaborate dressing then bound my hand and wrist to a plaster splint until 14 January 2005, with my hand fixed in a position of function and my wrist in about 15° of flexion. When the dressing and splint were removed, my right palmar creases were mildly tender, with the dramatic non-blanching, violaceous discoloration shown in the image below. What happened?
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hits since 15 January 2005
Images on this page © 2002 and 2005 by Robert R. Fenichel
Page revised: 06/29/2008 18:24