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In mid-March of 2017 Oscar Widegren ran alone as part of “The Impossible Run” project. Oscar is a blind paraolympian who normally does his running with a guide. Over the last two years Oscar worked with the Swedish sound company Lexter to develop a hyper directional sound technology. The video is impressive (especially with the lights off perspective).
![](https://blog.adafruit.com/wp-content/uploads/2017/05/the-impossible-run-2.png)
[ Via @ The Next Web ]
The technology is called hyper directional sound technology. What’s so special about it is its ability to emit sound in extremely narrow beams. The speaker uses a thin film to generate an ultrasonic beam of sound. And just like a flash light controls a ray of light, hyper directional sound directs sound in sharp lines, only audible for the people you point it at.
![](https://blog.adafruit.com/wp-content/uploads/2017/05/the-impossible-run-1.jpeg)
Even though the technology itself has been around for years, no-one has ever tried this – to essentially re-create the running track lines with these “sound lines” and give a blind person an inner visual of an invisible sound corridor.
[ Read More @ The Impossible Run ]
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