Radio tags could make jewelry more secure

Thursday, 14 June 2007, 12:30 AM EST

The diamond ring of the future will radiate its unique beauty -- quite literally -- thanks to a minuscule radio-frequency identification (RFID) chip embedded in it.

Scientists at Hitachi Research Labs in Japan have devised the smallest RFID tag ever, just 0.05 millimeter by 0.05 millimeter, tinier than a grain of sand.

At CNN.

[ Read more ]




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