Description:  The top two images show paths etched in an electromechanical chip. The gold squares on the top image are wires. The bottom image shows a magnetic bead on one of the paths. The beads can be moved by adjusting the current running through the wires, which changes the electromagnetic fields around the wires.
Source:  Harvard University
Story:  Magnetic fields move microbeads
TRN March 28/April 4, 2001
TRN Categories:  Microelectromechanical Systems (MEMS); Applied Computing
Form:  Still

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