High-purity metal single crystals include gold, platinum, and palladium metals, which are used in surface chemistry experiments. Purities are to 6Ns, and are fabricated by electron beam float zone refining and Czochralski and Bridgman techniques. Sizes from 1/4 to 1 inch diameter and 1 mm to 1 inch long are available.
Major global metropolitan areas are implementing a vast number of technology, energy, transportation, and Internet projects to make the metropolis a friendlier, greener, safer, and more sustainable place to be.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.