When she came to the MIT/WHOI Joint Program in 2003, Stacy DeRuiter
teamed with fellow graduate student Alexander Bahr, an electrical
engineer, to create a new digital acoustic tag, or D-tag, that could
attach temporarily to harbor porpoises and record their sounds.
Existing D-tags, built for whales, were too big.
(Photo courtesy of Alexander Bahr, MIT WHOI Joint Program)[back]
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