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Artwork records words, beams them to Philly skies

Associated Press Published: September 17, 2012

PHILADELPHIA (AP) — A new interactive artwork opening in Philadelphia will make light of your words, but it's probably not what you think.

Montreal-based artist Rafael Lozano-Hemmer is preparing to flip the switch on "Open Air," an interactive work that will translate voice messages into moving beams of light over a tree-lined parkway named for Benjamin Franklin in the heart of Philadelphia's cultural district.

Record your soapbox declarations, poems, gripes, wishes and shout-outs of up to 30 seconds on the "Open Air" iPhone app or online, then watch 24 robotic searchlights slowly sweep through the night sky in patterns and intensity determined by your vocal signature and GPS location.

The spectacle starts Thursday and runs through Oct. 14, from 8-11 p.m. each night.

"Philadelphia has traditions of free speech and democracy. ... We wanted to take that background and implement technology to visualize it," said Lozano-Hemmer, who was commissioned about four years ago to create the work. "We wanted to take free speech and make it materially visible in the city."

On clear nights, the artist's sky-high vox populi will be visible from 10 miles away. His site-specific installations have been presented worldwide, but "Open Air" is his first outdoor searchlight project in the U.S.

Want to beam yourself up? From anywhere in the world, messages can be recorded through the project's website ( or after downloading a free iPhone app debuting Sept. 20. Loaners will be available at on-site locations for the non-iPhone crowd.

Messages recorded on the parkway — your smartphone's GPS gives you away — are automatically bumped to the front of the queue. As the light pattern activates, its originator gets a heads-up on their phone and the canopy of roving searchlights briefly form a dome in the air above the person's location.

Anyone can simultaneously hear the speakers' messages through the Open Air app or website or through two low-volume listening spots on the parkway. Or people can choose to simply watch the silent display as it travels through the air.

Organizers expect the inevitable "Yo, Vinnie!" and "Go Eagles!" exclamations but urge participants to take the opportunity to say something meaningful, funny, inspirational, challenging — and appropriate. Online entries will be kept in check by users' votes; on-site messages won't be censored, but the light canopy and being visible in the crowd should act to deter offensive comments.

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