wigton physics

  The colorimeter absorbance scales come with two different sensitivities. These are given as 0 - 1 and 0 - 2. 1 and 2 would be called the F...

  I was interested to see this ski trainer at the gym. I knew that ergs are a unit for energy but I hadn't realised what a t...

  I set up a way of thinking about the colour filter. The arrow on the left is the white light made of red, green and blue. Shone at a cuvet...

  It has finally occurred to me why a colorimeter has colour filters. Last year I was using copper sulfate solution of different concentrati...

Brockram is an amazing stone I've seen in the Vale of Eden. Carboniferous limestone from when we were in a coral...

I was interested to see a strong magnet stuck to the glass of this fish tank. It attracts another piece through the ...

The sky was amazing this morning. The same widely ribbed stratus stretching from Skiddaw to Cross Fell that I blogged about last...