It is difficult to avoid all the hype about crypto-currencies these days, even here in backwaters of the world like Northern Ireland.  My cynical nature means that I am never really likely to be a fan of these, but I'm not particularly knowledgeable about them, and a recent TV program both astounded me and piqued my interest into finding out just how flimsy their value really is.  So here's the disclaimer; this is all my opinion.  Feel free to have your own, and better yet if you disagree,  reply to this piece and show me where I am wrong.  I am not particularly against the companies mentioned here; I personally just choose to avoid them like the plague. The best known crypto is obviously Bitcoin, so I have restricted my scant research to it.  Life is too short to start trying to find differences between them. We all know how the real world economy works.  People make things, grow crops, write music or books, make movies, mine commodities like co...

  Part of our solar Panels.  There are another 5 panels on the next section of the roof. Our solar panels have been in for a year now, so it's time for a quick review.  The table below shows some figures for the year. Some of these need a little explanation.  For example why we both export and import electricity it is easily explained.  Since the solar obviously does not generate after the sun goes down, but we still want to boil kettles and watch TV after dark, we still import electric.  Similarly, there are days of bloody awful weather, and the short winter days in this part of the world, which all lead to consumption without much generation.  Yet there are also good days where the amount we generate exceeds what we can consume. The total consumption figure is made up of the total generated plus the electricity we imported from the grid, less the amount we exported.  It is high because we are trying to use as much of the electric we generate as ...