Dr. Uwe Bergmann, a staff scientist in physics at the Stanford Synchrotron Radiation Laboratory, discusses the fascinating journey of a 1000-year-old parchment from its origin in Constantinople to an X-ray line in California. This NIST Colloquium Series presentation also explains how X-rays have been used to make other discoveries about artifacts from the 12th through the 20th centuries.
Video Rating: 5 / 5

How to make rock and gemstone jewelry without beading tools;learn this and more in this free arts and crafts video series taught by an expert. Expert: Candace Copeland Bio: Candace Copeland is well known for her rock and bead jewelry and her very unique rawhide art. She co-owns a studio and gallery with her husband in Cottonwood, AZ. Filmmaker: Chuck Tyler
Video Rating: 3 / 5
