Amazing lenses

There is no denying it. I am middle-aged. The latest evidence is the progressive-lens glasses. I had tried to put off getting these for as long as possible (warning to you younger readers – they are not cheap!) but it was just getting too difficult without them. We pretty-well take for granted good vision, but […]

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Sycamore seeds and wind turbines

At the recent NZ Institute of Physics conference in Dunedin we heard about a wide range of different physics topics -measuring electrical forces; atomic frequency combs; why a highly gendered physics class is not a good thing and measuring forces with your phone.  One very simple but thought-provoking presentation was by Tim Molteno – on […]

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