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

Graduate students from Brown University and Ben-Gurion University put their brains together in a unique summer practicum to invent and pitch ideas for neurotechnology startups.

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