News tagged with radio frequencies

Technology tracks birds visiting feeders

To study bird feeding and breeding behavior, ornithologists used to tag birds with colored bands and then painstakingly track the birds' activity. But now, an existing technology repurposed for tracking birds ...

Jan 06, 2012
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The perfect clone: Researchers hack RFID smartcards

Professional safecrackers use a stethoscope to find the correct combination by listening to the clicks of the lock. Researchers at the Ruhr-University Bochum have now demonstrated how to bypass the security mechanisms of ...

Nov 03, 2011
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