Every year firefighters are killed after becoming disoriented inside burning buildings. But with a new invention created by students in Belgium, that may be a tragedy of the past. Anthony shows us ... more 
Every year firefighters are killed after becoming disoriented inside burning buildings. But with a new invention created by students in Belgium, that may be a tragedy of the past. Anthony shows us how it works, and talks to its inventors. less 
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DNews
Fri, Jul 26, 2013 2:20 PM EDT