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There is a better presentation of dragon aerodynamics, which I gave at the Livermore Library in December 2022.  A recording of the talk is at https://www.youtube.com/watch?v=ASpntEpOqpk. Ever wonder if dragons can really fly? This post presents a quantitative analysis of the possibility of large flying dragons, up to the size of a humpback whale. One […]

There is a scene in Dragon’s Ridge where a torch had to light without delay .  While writing the scene, I had a nagging suspicion that that torches just don’t light that fast, making the scene not plausible.  But I had an idea on how to make the torch light fast, and I tested it with a homemade torch.