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Category Archives: Blog
Laptop fan woes
I had to buy a new CPU fan for my laptop, because it stopped working.
Every action has… no, I cannot finish that
Newton’s Third Law. Need I say more? Well, in this weblog post, I say a lot more.
How many stars in the solar system?
How many stars in the solar system? In this post I explain why mistakes are necessary for learning
On the phases of ice
The Eskimos have hundreds of words for snow, or so they say, but what about ice Think ice is simple? Think again!
Why call them ‘holes’?
Black holes are regions with huge density, but why are they called ‘holes’? If I were baking a cake and it did not rise evenly, and a region in the cake was left far denser than the regions around it, I certainly would not refer to that dense region as a hole. Read this post to learn why ‘holes’ is an appropriate name for them after all.
Bye bye Patreon, bye bye Discord…
While I was redesigning my website (i.e. procrastinating from doing my marking) I noticed that it was possible to make certain blog posts that could only be seen to paying subscribers. I also noticed that it was possible to make parts of pages visible only to paying subscribers too. WordPress, who hosts my website, had some easy-to-use tools to make subscription work well.
Five questions A-Level physics does not answer
Students often choose to study A-Level Physics because they want to understand how the universe works. GCSE Physics has lots of gaps, but surely Advanced Level Physics will have the answers? Here are five intriguing mysteries that A-Level Physics does not answer.
Lamenting the loss of the sound of silence
I find it difficult to focus my attention on a single voice and hear what someone is saying to me if there is any background noise. Years ago I had my hearing tested and it was fine, it wasn’t a hearing issue. It is just something about the way my brain processes sound. For yearsContinueContinue reading “Lamenting the loss of the sound of silence”
The fascinating etymology of the word ‘diode’
Diode = two way… what an odd name for a component that allows current to flow just one way. Where did this name come from? I’ll explain all in this blog post.
Physics with Keith 