With technology rushing onward, electronic gadgets often seem ephemeral. Now they literally will be, as scientists make electronics that dissolve. (click below to read more)
These "transient" electronics rely on superthin silicon wafers called nanomembranes and can dissolve in just a few drops of water, but at a rate determined by the structure of a silk wrapping. One application is in the human body, where such devices could be inserted only to dissolve harmlessly when no longer needed. Researchers led by John Rogers of the University of Illinois have demonstrated several working transient electronic devices, including transistors, temperature sensors and even a 64-pixel digital camera. Other uses could include environmental monitoring and consumer parts that would be compostable when obsolete.
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