More in Technologies

  • Jun 16, 2014
    Commentary

    Engineering Dropouts: Another Myth 7

    Many high-tech-industry observers have theorized that engineering schools struggle to keep students, especially women, in the engineering pipeline. Some observers go so far as to blame an engineering shortage in the U.S. on this poor retention rate. Recent research, some of which appeared in the Journal of Engineering Education and The Journal of Women and Minorities in Science and Education, seems to refute this theory....More
  • Jun 13, 2014
    Commentary

    Mainstreaming alert: 3D-printed parts in GE engines and X-ray machines

    When General Electric puts metal 3D-printed parts in its X-ray machines, you know it's gone mainstream. That's what the research summarized in this year's Wohler’s Report on 3D printing also suggests. Here, I explain one application that proves how far 3D printing has come....More
  • Jun 9, 2014
    Commentary

    Sights at the National Nuke Museum

    If you’re ever in Albuquerque, be sure to make time for the National Museum of Nuclear Science & History. It’s one of those museums engineers should ge a kick ougt of....More
  • Jun 5, 2014
    Commentary

    3D printing filaments better and cheaper and greener every day

    As we know, 3D printers make objects but eliminate the waste and high tooling costs of traditional manufacturing. Because the machines print parts off of CAD files, even weird or impossible-to-find parts are more affordable. The one catch: The filament used in the common mode of 3D printing — selective laser sintering (SLS) — can be expensive and limited in its ability to offer good material properties once fused into a part. But there's improvement....More
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