HEXHAM, ENGLAND - AUGUST 31: Members of the public view the art installation New York based digital arts collective YesYesNo with founding member Zachary Lieberman, Connecting Light which is part of the London 2012 Festival on August 31, 2012 in Hexham, England. Connecting Light will take place across the 73 miles of Hadrian's Wall on August 31 and September 1. Over 400 two metre diameter tethered balloons will transmit messages between each other, with internal LED lights changing colour in response. The installation becomes a line of pulsating colours as messages travel through it, turning what was once a protective border into a line of luminous communication. The installation will be visible in the evening and accessible to visitors at several locations along the wall. It has also been designed to be viewed remotely all over the world using digital media. (Photo by Jeff J Mitchell/Getty Images)

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HEXHAM, ENGLAND - AUGUST 31: Members of the public view the art installation New York based digital arts collective YesYesNo with founding member Zachary Lieberman, Connecting Light which is part of the London 2012 Festival on August 31, 2012 in Hexham, England. Connecting Light will take place across the 73 miles of Hadrian's Wall on August 31 and September 1. Over 400 two metre diameter tethered balloons will transmit messages between each other, with internal LED lights changing colour in response. The installation becomes a line of pulsating colours as messages travel through it, turning what was once a protective border into a line of luminous communication. The installation will be visible in the evening and accessible to visitors at several locations along the wall. It has also been designed to be viewed remotely all over the world using digital media. (Photo by Jeff J Mitchell/Getty Images)

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HEXHAM, ENGLAND - AUGUST 31: Members of the public view the art installation New York based digital arts collective YesYesNo with founding member Zachary Lieberman, Connecting Light which is part of the London 2012 Festival on August 31, 2012 in Hexham, England. Connecting Light will take place across the 73 miles of Hadrian's Wall on August 31 and September 1. Over 400 two metre diameter tethered balloons will transmit messages between each other, with internal LED lights changing colour in response. The installation becomes a line of pulsating colours as messages travel through it, turning what was once a protective border into a line of luminous communication. The installation will be visible in the evening and accessible to visitors at several locations along the wall. It has also been designed to be viewed remotely all over the world using digital media. (Photo by Jeff J Mitchell/Getty Images)

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HEXHAM, ENGLAND - AUGUST 31: Members of the public view the art installation New York based digital arts collective YesYesNo with founding member Zachary Lieberman, Connecting Light which is part of the London 2012 Festival on August 31, 2012 in Hexham, England. Connecting Light will take place across the 73 miles of Hadrian's Wall on August 31 and September 1. Over 400 two metre diameter tethered balloons will transmit messages between each other, with internal LED lights changing colour in response. The installation becomes a line of pulsating colours as messages travel through it, turning what was once a protective border into a line of luminous communication. The installation will be visible in the evening and accessible to visitors at several locations along the wall. It has also been designed to be viewed remotely all over the world using digital media. (Photo by Jeff J Mitchell/Getty Images)

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HEXHAM, ENGLAND - AUGUST 31: Members of the public view the art installation New York based digital arts collective YesYesNo with founding member Zachary Lieberman, Connecting Light which is part of the London 2012 Festival on August 31, 2012 in Hexham, England. Connecting Light will take place across the 73 miles of Hadrian's Wall on August 31 and September 1. Over 400 two metre diameter tethered balloons will transmit messages between each other, with internal LED lights changing colour in response. The installation becomes a line of pulsating colours as messages travel through it, turning what was once a protective border into a line of luminous communication. The installation will be visible in the evening and accessible to visitors at several locations along the wall. It has also been designed to be viewed remotely all over the world using digital media. (Photo by Jeff J Mitchell/Getty Images)

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HEXHAM, ENGLAND - AUGUST 31: Members of the public view the art installation New York based digital arts collective YesYesNo with founding member Zachary Lieberman, Connecting Light which is part of the London 2012 Festival on August 31, 2012 in Hexham, England. Connecting Light will take place across the 73 miles of Hadrian's Wall on August 31 and September 1. Over 400 two metre diameter tethered balloons will transmit messages between each other, with internal LED lights changing colour in response. The installation becomes a line of pulsating colours as messages travel through it, turning what was once a protective border into a line of luminous communication. The installation will be visible in the evening and accessible to visitors at several locations along the wall. It has also been designed to be viewed remotely all over the world using digital media. (Photo by Jeff J Mitchell/Getty Images)

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HEXHAM, ENGLAND - AUGUST 31: Members of the public view the art installation New York based digital arts collective YesYesNo with founding member Zachary Lieberman, Connecting Light which is part of the London 2012 Festival on August 31, 2012 in Hexham, England. Connecting Light will take place across the 73 miles of Hadrian's Wall on August 31 and September 1. Over 400 two metre diameter tethered balloons will transmit messages between each other, with internal LED lights changing colour in response. The installation becomes a line of pulsating colours as messages travel through it, turning what was once a protective border into a line of luminous communication. The installation will be visible in the evening and accessible to visitors at several locations along the wall. It has also been designed to be viewed remotely all over the world using digital media. (Photo by Jeff J Mitchell/Getty Images)

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