Tag: chart

  • An Explanation of Direct And Inverse Proportion

    An Explanation of Direct And Inverse Proportion

    Introduction At least one of my other posts How Distance Reduces The Power of Radio Waves requires an understanding of mathematical proportionality. In particular it requires an understanding of Inverse Proportion. So I have written this article to try and clarify it. It gives an explanation of the two types of proportion, otherwise known as…

  • Lighting Charts – Which Lamp Do I Need?

    Lighting Charts – Which Lamp Do I Need?

    Introduction We are all trying to reduce energy costs and CO2 emissions by choosing modern alternatives to incandescent lamps. Here are some lighting charts to help you select the best lamp for your situation. Since the decline of incandescent lamps there have been many alternatives made available based on fluorescent tubes bent in many ways to…