Blog Posts
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Join the Christmas Physics Live Stream!
Come and join the party! Live stream on Friday 20 December 2024 at 6:30pm!

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Velocity Functions with Air Resistance and Linear First-Order Differential Equations Explained
How to solve linear first-order differential equations and how they apply in physics. See this blog post!

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Overcoming Mobile Video Limitations with ffmpeg
I record most of my videos on my phone in my lab. Alas, mobile phones have their limitations. See the blog post for more!

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My most popular video: 80,000 views!
My most popular video has now been viewed 80,000 times! What other videos would you like me to make? Let me know! See this blog post.

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Celebrating 4 Years of physicswithkeith.com
The Physics With Keith website is four years old! See my blog post for meaningless statistics!

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The Impact of Transgender Visibility on LGBTQ+ Students in Physics
Learn about five transgender physicists who have contributed to our understanding of the universe.

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Busman’s Holiday
My ten-year-old daughter built a robot by herself. Here’s a ‘proud Dad’ post, with some moaning about the state of primary education.

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Autumn Half-term update (October 2024)
I discuss A-Level practical videos I’ve created. Additionally, I promote my unique live tuition method on YouTube, encouraging potential tutees to enrol and engage.

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Why are there eight gluon states and not nine?
Why are there 8 gluon states and not 9? I try to explain in this video… (see blog 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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Ⓒ 2026 by Keith Dalby

