Ghassaei developed a technique that converts digital audio files into 3D printable (33 rpm) grooved plastic discs, that actually play on regular turntables.
Like nearly all the state and local sites surveyed, South Dakota broadcasts using video streaming, a relatively low-cost technique that delivers fair-quality audio and video in near real-time without requiring users to wait for large files to be fully downloaded.
Scientists have stored audio and text on fragments of DNA and then retrieved them with near-perfect fidelity a technique that one day may provide a new way to handle the overwhelming data of the digital age.