Ingrid Fritsch, a professor of chemistry and biochemistry at the University of Arkansas, developed a new method—called magnetohydrodynamics—of using magnetic force to move fluids down small channels the width of a human hair. It is unlike current methods using electrokinetic pumping, centrifugal force, and mechanical pumping with microfluidic devices. Fritsch found that when the electromagnetic field is reversed in magnetohydrodynamics, the fluid flow reverses without need of mechanical manipulation. The finding may help researchers develop so called "lab on a chip" medical devices.
Determining the quantities and location of sensors in an Internet of Things application requires a thorough problem statement and a clear vision of success, an expert will tell engineers at the upcoming Design & Manufacturing Show in Minneapolis.
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