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Issues with Casio calculators
Why do I dislike Casio calculators? Watch this video for a few of the reasons!

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Poll: Weblog post frequency
Do you think the frequency of weblog posts is appropriate? Have your say!

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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.

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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

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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!

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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…

Physics with Keith
Interactive online physics tuition for GCSE/IGCSE and A-Level students (and equivalent) by an experienced and qualified physics teacher.
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