American Institute of Physics

Mathematicians model heat flow in human tears

Mathematicians from the University of Delaware have created a new model of the fluid dynamics and heat flow in human tears. When people blink their eyes, a thin liquid film is spread across the surface of the eye.

Jun 05, 2012
5 / 5 (5) 2 | with audio podcast

Electronic nose out in front

Chemical sensors are exceedingly good at detecting a single substance or a class of chemicals, even at highly rarified concentrations. Biological noses, however, are vastly more versatile and capable of discriminating subtle ...

May 02, 2012
5 / 5 (1) 0 | with audio podcast

Mining for heat

Underground mining is a sweaty job, and not just because of the hard work it takes to haul ore: Mining tunnels fill with heat naturally emitted from the surrounding rock. A group of researchers from McGill University in Canada ...

May 02, 2012
5 / 5 (2) 2 | with audio podcast

Malaria: Blood cells behaving badly

All the billions of flat, biconcave disks in our body known as red blood cells (or erythrocytes) make three basic, tumbling-treadmill-type motions when they wend their way through the body's bloodstream ferrying ...

Jun 10, 2014
4.5 / 5 (4) 0

Coffee bean acoustics

People around the world are drawn to coffee's powerful allure—for its beloved smell, and taste, and for the caffeine boost it provides. As you enjoy your coffee beverage, however, odds are good you're probably ...

May 22, 2014
4.8 / 5 (4) 1