Friday, July 25, 2025

Everything Is Tuberculosis

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Everything Is Tuberculosis , by John Green. Recently I read the current bestseller Everything Is Tuberculosis: The History and Persistence o...
Friday, July 18, 2025

Millikan and the Magnetic Field of a Single Axon

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“ The Magnetic Field of a Single Axon: A Comparison of Theory and Experiment.” Forty years ago this month, I published one of my first scien...
Friday, July 11, 2025

David Cohen: The Father of MEG

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David Cohen: The Father of MEG ,  by Gary Boas. Gary Boas recently published a short biography of David Cohen , known as the father of magn...
Friday, July 4, 2025

An Alternative to the Linear-Quadratic Model

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In Section 16.9 of Intermediate Physics for Medicine and Biology , Russ Hobbie and I discuss the linear-quadratic model. The linear-quadr...
Friday, June 27, 2025

A Toy Model for Radiation Damage

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Sometimes a toy model (a simple model that strips away all the detail to expose the underlying mechanisms more clearly) can be useful. Toda...
Friday, June 20, 2025

A Toy Model for Straggling

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One of the homework problems in Intermediate Physics for Medicine and Biology (Problem 31 in Chapter 16) introduces a toy model for the Br...
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Friday, June 13, 2025

Photobiomodulation

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Harvest with her copy of Intermediate Physics for Medicine and Biology . My Treeing Walker Coonhound Harvest is getting older and having so...
Friday, June 6, 2025

Mechanisms of the FLASH Effect: Current Insights and Advances

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I’ve written about FLASH radiotherapy previously in this blog ( here and here ). FLASH is when you apply radiation in a single brief pulse...