Why people hear pulse in their ears, know the reason here
Pulsatile tinnitus, a rhythmic sound that matches the heartbeat, is caused by turbulent blood flow in the neck or head, with ...
The Straits Times24 天
SMU team develops prototype earbuds to monitor runners’ breath and foot strikes
Breathing through the nose is usually favoured during ... microphones – one placed near the earbud tip to capture in-ear sound and the other one integrated into the end of the earbud handle ...