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 evidently served not only to light kindling but also to cauterize wounds and enlarge texts. According to Roman naturalist Pliny the Elder, Nero viewed gladiator […]
Tag Archives: invention
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Jan
Jan
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 keep time with the music. While digital software has replaced the need for the box with the swinging pendulum, it remains an endearing and “old […]