Dr Douglas-Hamilton's collars, however, simply record their data in memory chips until those chips are prompted to regurgitate their contents to a receiver on board an aircraft that flies over the study area once every few months.

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Automatica creates a local cache of your contents and stores 24 hours of audio within the internal flash memory.

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Data fades from memory much more slowly when chips are cold which allowed them to grab the encryption keys and speed up unscrambling the contents of a phone.

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