by Melody Amsel-Arieli Simple magnification devices, like water-filled spheres and rock crystal (quartz) “burning glasses” were known around the Mediterranean and across the Middle East in ancient times. These […]
Tag Archives: invention
The Evolution of the Metronome By Maxine Carter-Lome If you ever took music lessons chances are you are familiar with the metronome; the audible task master that helped you to […]