http://www.sciencedaily.com/releases/2012/01/120116200559.htm
Listen up, pedestrians wearing headphones. Can you hear the trains or cars around you? Many probably can't, especially young adult males. Serious injuries to pedestrians listening to headphones have more than tripled in six years, according to new research from the University of Maryland School of Medicine and the University of Maryland Medical Center in Baltimore. In many cases, the cars or trains are sounding horns that the pedestrians cannot hear, leading to fatalities in nearly three-quarters of cases.
D - as nice as the in-ear model is, by keeping the music volume down, it also blocks hearing.
Here is an external non-ear blocking bone induction system.
I thought it'd be nice for biking.
Though I gather the sound quality is questionable.
And they cost a LOT.
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D - saw this around UW campus. Oblivious - and they don't look either!
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