Sonar Sight for the Blind? (BusinessWeek)

From: Max More (max@maxmore.com)
Date: Mon Dec 11 2000 - 23:26:02 MST

Nearly 40 years in the making, Leslie Kay's headband device uses sound
waves to create dynamic "pictures" of the wearer's surroundings

http://www.businessweek.com/bwdaily/dnflash/dec2000/nf20001211_136.htm

Max

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