Indoor GPS Makes Strides
60-Second Tech
English - October 06, 2011 12:52 - 1 minute - ★★★★ - 83 ratingsScience Technology science technology minute 60-second 60-seconds scientific american Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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Efforts to develop an indoor version of GPS use smart phones and existing wi-fi. Larry Greenemeier reports