Posts in Lab
Image is Everything

On April 12th, 1933, several hundred guests stumbled into Philadelphia’s Academy of Music for what they presumed would be a typical concert. As the lights dimmed, the audience found their way to their seats until the room was plunged into an inky blackness. The Philadelphia Orchestra, as expected, lept into a rousing Wagner overture. But as the lights slowly crept on, the performance took a plunge into the unexpected. Instead of an orchestra in full regalia, the audience instead saw nothing. Or rather, two enormous loudspeakers amidst an empty stage. The recording engineer Harvey Fletcher, who had been standing in the wings, sauntered into view in front of his befuddled audience. “What you’ve just witnessed is an illusion,” he proclaimed.

Read More