Hearing the voice of someone from more than 100 years ago is a rare feat. But thanks to technology, in some cases we can.
Using 3-D scanning and lot of elbow-grease, researchers were able to recover a recording that Alexander Graham Bell made in 1885. The recording was made using a cardboard disc, that functioned similarly to a vinyl record.
The recording is below. It’s very rough, but you can clearly make out the following: “Hear my voice: Alexander Graham Bell.”