Benjamin Franklin 1761 invented the "World's most dangerous instrument," the Glass Harmonica.

First published at 22:09 UTC on June 4th, 2023.
subscribers

The glass armonica (Harmonica) first appeared in the mid-18th century after Benjamin Franklin heard a British musician play a set of wine glasses that were tuned with water–kind of like this.
The modern glass harmonica is made from quartz while in t…

MORE
CategoryEducation
SensitivityNormal - Content that is suitable for ages 16 and over
DISCUSS THIS VIDEO