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A different kind of branding.
A company called Somark Innovations has successfully tested RFID tattoos on cows, mice and rats:
The system developed by Somark uses an array of needles to quickly inject a pattern of dots into each animal, with the pattern changing for each injection. This pattern can then be read from over a meter away using a proprietary reader operating at high frequency.
This allows traditional branding of cattle, while minimizing pain and cosmetic damage.
Via Engadget.
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