Building on that concept, the next objective was to create an even smaller FM radio compact enough to fit inside an earbud.

The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...

Visitors to the New Adventures in Sound Art (NAISA) gallery in the northern Ontario village of South River will soon get to give nearby lakes and rivers a call.