David McGibney educates teachers how to use cost effective materials to present science to the youth by dropping a cement puck to test the stability of the binding fibers added to the concrete as part of an ASM Materials Camp presentation July 18, 2014, in Washington, D.C. The camp brought together middle school educators from the local area to explore new ideas in low-budget science experiments to highlight the science, technology, engineering and math fields to classes across the U.S. McGibney is an ASM master teacher. (U.S. Air Force photo/Staff Sgt. Carlin Leslie)
No camera details available.
IMAGE IS PUBLIC DOMAIN
This photograph is considered public domain and has been cleared for release.
If you would like to republish please give the photographer appropriate credit.
Further, any commercial or non-commercial use of this photograph or any other
DoD image must be made in compliance with guidance found at
which pertains to intellectual property restrictions (e.g., copyright and
trademark, including the use of official emblems, insignia, names and slogans), warnings
regarding use of images of identifiable personnel, appearance of endorsement, and related matters.