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.
One way to keep a Formula One racing team moving at breakneck speed in the pit and at the test facility is to bring CAD drawings of the racing vehicle’s parts down to the test facility and even out to the track.
Most of us would just as soon step on a cockroach rather than study it, but that’s just what researchers at UC Berkeley did in the pursuit of building small, nimble robots suitable for disaster-recovery and search-and-rescue missions.
Design engineers need to prepare for a future in which their electronic products will use not just one or two, but possibly many user interfaces that involve touch, vision, gestures, and even eye movements.
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