Deriving Maxwell’s equation for light
Kathy works through Maxwell’s 1864 derivation using modern mathematical notation, explaining how the result relates to different electromagnetic fields.
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Kathy Loves Physics
Kathy Joseph is a physics educator, science historian and author who uses original papers and human stories to explain how discoveries changed our understanding of the world.
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Making sense of Maxwell’s electric field equations
Her new explainer connects three equations for the electric field and shows how they relate to one another.
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Why physics can feel intimidating
In Understanding Physics: A Story of Hope and Change, Kathy explores fear of physics and belief in pseudoscience, drawing on her reading of the Dunning–Kruger paper.
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Answering a young listener’s power station question
Kathy joins Molly Oldfield’s Everything Under the Sun to explain how power stations work in episode 167 of the children’s questions podcast.
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The discovery of invisible light
Kathy shares a short history of infrared and ultraviolet light, including the Herschels’ work on invisible light in sunlight.
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