Friday, March 27, 2015

Projections and Back Projections

›
Tomography is one of the most important contributions of mathematics to medicine. In the 4th edition of Intermediate Physics for Medicine a...
Friday, March 20, 2015

Consider an Impervious Plane Containing A Circular Disk

›
When I teach, one of my goals is to help students analyze a mathematical equation to uncover the underlying physics. Equations are not merel...
Friday, March 13, 2015

If You Want Healthy Cows Feed Them Magnets

›
I saw an article on the internet claiming “ If you want healthy cows feed them magnets ” and I thought “oh no, not more biomagnetism nonsens...
Friday, March 6, 2015

A Mathematical Model of Agonist-Induced Propagation of Calcium Waves in Astrocytes

›
When I was working at the National Institutes of Health in the mid-1990s, I spent most of my time studying transcranial magnetic stimulatio...
Friday, February 27, 2015

Alan Turing, Biological Physicist

›
Recently, my wife and I went to the theater to see The Imitation Game , about Alan Turing and the breaking of the enigma code during World...
Friday, February 20, 2015

The Ugliest Equation

›
The 4th edition of Intermediate Physics for Medicine and Biology contains thousands of equations. One of them, Equation 15.22, gives the cr...
Friday, February 13, 2015

Willem Einthoven, Biological Physicist

›
In Chapter 7 of the 4th edition of Intermediate Physics for Medicine and Biology , Russ Hobbie and I mention Einthoven’s triangle . This tr...
1 comment:
Friday, February 6, 2015

The Sinc Function

›
In the 4th edition of Intermediate Physics for Medicine and Biology , Russ Hobbie and I discuss many mathematical functions , from common o...
1 comment:
Friday, January 30, 2015

Electron Paramagnetic Resonance Imaging

›
Magnetic resonance comes in two types: nuclear magnetic resonance and electron paramagnetic resonance . In Chapter 18 of the 4th edition of...
Friday, January 23, 2015

Cobalt-60

›
In Chapter 16 of the 4th edition of Intermediate Physics for Medicine and Biology , Russ Hobbie and I mention the radioactive isotope coba...