Friday, August 27, 2021

Can Induced Electric Fields Explain Biological Effects of Power-Line Magnetic Fields?

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Sometimes proponents of pseudoscience embrace nonsense, but other times they propose plausible-sounding ideas that are wrong because the nu...
Friday, August 20, 2021

The Central Slice Theorem: An Example

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The central slice theorem is key to understanding tomography . In Intermediate Physics for Medicine and Biology , Russ Hobbie and I ask th...
Friday, August 13, 2021

John Schenck and the First Brain Selfie

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Schenck, J. F. (2005)  Prog. Biophys. Mol. Biol. 87:185–204. In Intermediate Physics for Medicine and Biology , Russ Hobbie and I discuss...
Friday, August 6, 2021

Two-Semester Intermediate Course Sequence in Physics for the Life Sciences

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This week I spoke at the American Association of Physics Teachers 2021 Summer Meeting . Getting to the meeting was easy; I just logged onto...
Friday, July 30, 2021

tDCS Peripheral Nerve Stimulation: A Neglected Mode of Action?

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In the November 13, 2020 episode of Shark Tank ( Season 12 , Episode 5), two earnest entrepreneurs, Ken and Allyson, try to persuade five ...
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Friday, July 23, 2021

Currents of Fear: In Which Power Lines Are Suspected of Causing Cancer

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Voodoo Science , by Robert Park These days—when so many people believe crazy conspiracy theories , refuse life-saving vaccines , promote alt...
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Friday, July 16, 2021

The Bragg Peak (Continued)

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In last week ’ s post , I discussed the Bragg peak : protons passing through tissue lose most of their energy near the end of their path. In...
Friday, July 9, 2021

The Bragg Peak

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In Chapter 16 of Intermediate Physics for Medicine and Biology , Russ Hobbie and I discuss the Bragg peak . Protons are also used to tre...
Friday, July 2, 2021

Alan Magee and the St. Nazaire Railroad Station

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Alan Magee . Reproduced from the website www.americanairmuseum.com . On January 3, 1943, airman Alan Magee fell 22,000 feet (6700 meters, ...
Friday, June 25, 2021

Cerenkov Luminescence Imaging: Physics Principles and Potential Applications in Biomedical Sciences

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When a particle travels faster than the speed of light, it emits Cerenkov radiation . This phenomenon has resulted in new medical imaging ap...