More in Community

  • Jun 17, 2014
    Commentary

    Why more investors aren't millionaires and more engineers aren't innovators

    Every once in a while you'll find commentary in the finanical community that has insights applying equally well to other areas. That is the case for a recent essay in Barron's. Stephen Mauzy, an equity analyst at Wyatt Investment Research, was trying to explain why many professional investors have lousy track records making investments. He claims that most explanations of this phenomenon miss a key point: that investing is entrepreneurial....More
  • 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 12, 2014
    blog

    A lot of industrial networks have a big hole in their cyber security

    Despite the fact that the Stuxnet virus made headlines when it attacked programmable logic controllers running Iran's nuclear centrifuges,  a similar attack on industrial facilities in the U.S. would be remarkably easy to pull off....More
  • Jun 10, 2014
    News

    RAPID 2014 takes the 3D printing world to Detroit

    This year's RAPID show will be the largest in over 24 years....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
  • solar roadways panel
    Jun 3, 2014
    blog

    .....Solar roadways? Only one way to find out if they are a pipe dream 10

    An outfit called Solar Roadways wants to replace asphalt roads and parking lots with solar cells and claims this idea is practical based on the tests it has run so far. The company has received some SBIR money and has given a TEDx talk on the subject which is viewable on its web site. ...More
  • May 30, 2014
    Commentary

    $1,500 Foodini 3D prints food with normal kitchen ingredients

    Over the past several months, we’ve seen machines that 3D print food go from silly to intriguingly promising. One of the best we’ve seen so far is Foodini, a kitchen appliance made by ironically named Natural Machines, Barcelona. It will go on sale soon for about $1,400....More
  • May 29, 2014
    Commentary

    Wind turbines for low wind speeds defy Betz limit efficiency 13

    Many designers of utility scale wind turbines dismiss the idea of using turbines to capture energy from light breezes and in areas where there isn't a lot of wind. Their argument comes from Betz's law which calculates the maximum power available from the wind. The law uses principles of conservation of mass and momentum of the air stream flowing through an idealized cylinder that extracts energy from the wind stream. Importantly, it assumes the use of aerodynamic propeller blades in the turbine....More
  • May 28, 2014
    Commentary

    Rant: Spray and gascan nozzles equally idiotic

    Last weekend, in a bizarre burst of energy that had me motivated me enough to spraypaint a rusty old Charmglow grill that had become a certifiable eyesore, I dug up an old can of barbecue black Rustoleum spraypaint from our garage. In a development that added insult to injury, I'd soon discover that the nozzle on this spraycan is a Contraption of Infuriation that rivals the Grand Champion of Horrible Designs, the nefarious late-model Blitz nozzle. I'd soon discover that the nozzle on this spraycan is a Contraption of Infuriation that rivals the Grand Champion of Horrible Designs, the nefarious late-model Blitz nozzle....More
  • May 27, 2014
    Commentary

    More foreign workers, more pay? 3

    A recently released National Bureau of Economic Research working paper is garnering a lot of comment among those who promote immigration of science and technology workers into the U.S....More
  • May 19, 2014
    Commentary

    Innovative UAVs and Robots at AUVSI Unmanned Systems 2014

    I spent a couple days last week looking around at exhibits in the Association for Unmanned Vehicle Systems International (AUVSI) show in Orlando. We made a number of short videos there which you can see on EngineeringTV.com. I also put together this short video synopsis of a few trends that were in evidence ......More
  • May 12, 2014
    Commentary

    3D printing's fate according to a Technology Futurist 4

    I recently had an exchange with Jordan Brandt, a Technology Futurist at Autodesk, about 3D printing. "3D printing is for the last mile of factory automation — so in the next couple of years, expect additive mass-production methods to increase factory automation and product customization," predicts Brandt....More
  • May 2, 2014
    Commentary

    How to get an engineering job at SpaceX

    SpaceX, the company founded to revolutionize space technology, has been making headlines recently with its successful test of the reusable Falcon 9 rocket, along with some pretty impressive video footage. In the latest test of its capabilities, the reusable rocket flies up to 3,280 ft and then lands safely....More

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