3D Printing Revives Century Old Recordings Of Graham Bell

 

[caption id="attachment_45517" align="aligncenter" width="600"] Image: Rich Strauss, Smithsonian[/caption]

3D printing technology is rapidly finding place in manufacturing of equipments to be used in various applications from military to medical. The popularity of 3D printers has led to several interesting & innovative projects; the latest one being revival of nearly century old recordings. Nearly 125 years ago, noted innovators Charles Tainter, Graham Bell and Chichester Bell had collaborated to create a hi-fi audio system (Gramophone) and had experimented with several recording mediums created using glass, beewax, cardboards etc. They created about 200 recordings and were sent to Smithsonian for preserving. But the 'player' itself was never sent.



Now so many decades later, research engineers from Lawrence Berkeley National Laboratory got hold of the recordings and used a 3D scanner called IRENE (Image Reconstruct Erase Noise ETC) to scan the old discs and created high resolution images. The team also created a stylus that was used for the engravings on the disc and were able to reproduce the audio in digital format. Interesting, isn't it? Check out more about the research on the source link. You may listen to the recordings in the following video -



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