I remember hearing about a computer that was built completely with fiber optics back in the late 90's. I think it was designed by the R&D department of one of the major tech universities. We were "photofied" as well!
Nancy, I first heard of switching photons instead of electrons about 15 years ago in a venture capitalist meeting about a new tech, I forget which one or from which company. I was electrified--or perhaps I should say, photofied.
Siemens and Georgia Institute of Technology are partnering to address limitations in the current additive manufacturing design-to-production chain in an applied research project as part of the federally backed America Makes program.
Most of the new 3D printers and 3D printing technologies in this crop are breaking some boundaries, whether it's build volume-per-dollar ratios, multimaterials printing techniques, or new materials types.
Independent science safety company Underwriters Laboratories is providing new guidance for manufacturers about how to follow the latest IEC standards for implementing safety features in programmable logic controllers.
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.