wigton physics

 There used to be a smelt mill at the Greenside Lead Mine. Smelting is the process of heating lead ore with a more reactive element. This wo...

 1cm on a 1:25000 map represents 250m on the ground. I have used arctan to calculate the gradients, having explained why it is tan on the pr...

 I recently read an article that gave a table converting the number of contours per cm on the 1:25000 maps with the actual angle of the slop...

  This is a horse-drawn machine for turning rows of cut hay to help them dry. I was taken by the way that mechanical power is transmitted fr...

I posted about cathodic protection of pipelines last August  http://wigtonphysics.blogspot.com/2020/09/cathodic-protection-anode.html  I hav...

 I inserted a 12V heater through polystyrene into a beaker of water. I pushed a thermometer through as well. I put bubble wrap round. You...

  Thanks to Jack for lending me the book. The relational interpretation of quantum mechanics was new to me. What I picked up from the book ...