NCPTT’s Curtis Desselles discusses developments in low-cost, metallurgical analysis. Topics covered include what eddy currents are, how NCPTT began using them, and how the eddy currents are utilized.

3D Digital Rock Art Documentation and Preservation

Tune into this collection to find out how historical sites and artifacts are preserved. Technology preservation is discussed along with preservation projects and events hosted by the National Park Service. Information on specific historical sites are included as well.