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  • Ionizing radiation, light and skin cancer

    Robert Hayes | Updated: Mon, Mar 2, 2015

    Ionizing radiation is not only what Uranium, Potassium and dental X-ray machines produce, it is also produced in abundance by the sun. Too much is exposure to the sun is not considered healthy, especially for those who sunburn easily.

  • X-ray explanation for 5th graders

    Robert Hayes | Updated: Thu, Jan 8, 2015

    A simple description of X-rays, how they are created and what they are in simple talk

  • Perspective: Engineering and the 10 commandments

    Robert Hayes | Updated: Thu, Dec 11, 2014

    The importance of engineering in modern life is playfully looked at as a commandment from God. The bias of an engineer looking on the profession is clearly evident but the passion is surely evident.

  • Scientifically safe 101

    Robert Hayes | Updated: Mon, Nov 17, 2014

    Safety should be based on science. This means there should be an empirical, testable basis for worker, the public and environmental protection. This also means that risk should be evaluated for what it is in that it is both quantifiable and nonzero

  • Radon 101

    Robert Hayes | Updated: Fri, Nov 7, 2014

    A very light overview of radon, where it comes from, what it does and the EPA action limits.

  • Capillary action and surface tension

    Robert Hayes | Updated: Mon, Nov 3, 2014

    How do trees pull water up into their leaves from the ground? Why does fog and clouds not coalesce into water droplets at each formation? The answer is surface tension.

  • Nuclear fallout and modern life

    Robert Hayes | Updated: Wed, Oct 22, 2014

    Most individuals who will or can read this have been born and raised in nuclear fallout. Everyone reading this has lived in nuclear fallout for most of their lives, it has been everywhere on the planet since the 1950's.

  • Dirty science

    Robert Hayes | Updated: Wed, Oct 8, 2014

    Is there anything so common or mundane in nature that it does not generate significant scientific investigation scrutiny and research? Basically the answer is no and this column uses everyday old dirt as a case in point.

  • Consensus standards in industry

    Robert Hayes | Updated: Wed, Sep 24, 2014

    Important Standards in Industry range from manufacturing specifications to testing and procurement requirements. These are important for consistency and quality in every branch of engineering and technology.

  • The scientific method

    Robert Hayes | Updated: Fri, Sep 12, 2014

    The scientific method today has largely been in place for over a few hundred years but involves more than just the simple hypothesis definition. Truth be told, it really does not qualify for making recognized scientific fact without peer review.

  • Professional Engineering Licensure and Safety

    Robert Hayes | Updated: Mon, Aug 18, 2014

    A short review of why a professional engineering licensure is important for public safety.

  • Radioactive materials in the oilfield

    Robert Hayes | Updated: Fri, Aug 8, 2014

    Oil field work involves long hours and back-breaking work. It also involves radioactive materials in many ways, including natural radioactivity and man-made radionuclides used in a number of specific and useful ways.

Dr. Robert Hayes

This column explains modern engineering and technology from quantum mechanics to electrodynamics with emphasis on nuclear science. Dr. Hayes is very excited about physical science and will attempt to infect you with this interest as well.