Monday, February 1, 1999
In science fiction, characters inhabiting a world of the future
sometimes have microchip implants that control or monitor their actions or dispense
mood-altering chemicals upon demand. While the application still may be far off, the
technology for such chips is here, as published in Nature last week by researchers
at the Massachusetts Institute of Technology.
MIT researchers produced a microfabricated silicon microchip that can
deliver single or multiple