The crystal in a crystal earpiece is a piezoelectric sound transducer. Back in the 1960s, these were fairly common in cheap transistor radios and hearing aids. Their sound fidelity isn’t very ...

Before the MP3 was the Walkman and before that was the "tranny" - the transistor radio. Personal radios existed before their mass popularity in the 1960's, but then they became a teenage 'must-have'.

An curved arrow pointing right. Pilot is a smart earpiece that uses bluetooth technology to translate conversations in different languages as they are spoken. Created by Andrew Ochoa of Waverly ...

Cycling and safety—it's an increasingly heated debate, especially with several serious accidents fresh in memory. The UCI is actively working on new regulations, but many riders and team ...