Tuesday, April 14, 2020

Life in Moving Fluids

›
In Chapter 1 of Intermediate Physics for Medicine and Biology , Russ Hobbie and I discuss the central concept of fluid dynamics : The Reyno...
Monday, April 13, 2020

A Problem with Testing

›
Chance in Biology , by Mark Denny and Steven Gaines. With a pandemic raging, I hear a lot about testing. One problem is we don’t have ...
Friday, April 10, 2020

No-Slip Boundary Condition

›
In Chapter 1 of Intermediate Physics for Medicine and Biology , Russ Hobbie and I discuss the no-slip boundary condition The velocity of...
Thursday, April 9, 2020

Electrophoresis

›
Random Walks in Biology , by Howard Berg. Electrophoresis is used widely in biomedical research. It’s an example of physics applied to...
Wednesday, April 8, 2020

The Localization of Sound

›
In Chapter 13 of Intermediate Physics for Medicine and Biology , Russ Hobbie and I include a homework problem about the localization of sou...
Tuesday, April 7, 2020

Time-Dependent Solutions to Fick’s Equations

›
Solving the diffusion equation (also known as Fick’s second law ) can require fancy mathematics. After discussing a few solutions in Interm...
Monday, April 6, 2020

Visualizing the Gaussian Distribution

›
In Chapter 4 of Intermediate Physics for Medicine and Biology , Russ Hobbie and I include a homework problem about the Péclet number . Se...
Friday, April 3, 2020

Diffusion From a Micropipette

›
In Chapter 4 of Intermediate Physics for Medicine and Biology , Russ Hobbie and I solve the diffusion equation . We consider the classic on...
Thursday, April 2, 2020

Ten Groups Exposed to Radiation

›
Medical Imaging Physics , by Hendee and Ritenour. In Medical Imaging Physics , William Hendee and E. Russell Ritenour list ten populat...
Wednesday, April 1, 2020

William Harvey’s On the Movement of the Heart and Blood in Animals

›
A Classics Club book When I was a teenager, I belonged to the Classics Club . Each month I was sent a box containing a couple books, whi...