/// Exploratorium App Explores the World of Sound

February 12, 2013  |  All Things Digital


The folks at the Exploratorium in San Francisco are some of the best in the world at designing participatory exhibits that teach visitors about their own perception and the world around them through direct experience. The Exploratorium has long had a website — it was the world’s 600th (or so) in 1993 — but the tablet is perhaps a more fitting venue for its craft, given that the devices are by their nature social because they can be easily shared, and that touch provides a less abstract method of interaction. The Exploratorium’s first free iPad app, Color Uncovered , has been downloaded one million times since late 2011. Today, it’s launching a second, called Sound Uncovered , with a set of fun and mind-bending audio illusions, manipulations and tests. Jean Cheng, who led the team that built the app, took me through a series of mini-iPad exhibits on a recent visit to the still-under-construction new Exploratorium building on the water at Pier 15 in San Francisco. For instance, there’s a Mobius strip kind of demo of a chord progression, where it’s impossible to find the highest note. There’s another one where you move a slider until you can hear a high-pitched sound, and the app estimates your age. There’s another that plays your voice backward so you can teach yourself audio palindromes. They’re not necessarily things you’d do over and over again, but they’re pretty neat in the moment, with explanations of what phenomena are occurring. Asked what ages Sound Uncovered is appropriate for, Cheng declined to say

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Exploratorium App Explores the World of Sound

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