心电图反映了人体的关键信息。加拿大一家公司推出了一款名为“Nymi”的智能腕带,它用佩戴者唯一的“心脏签名”——心电图来鉴定身份。用户把智能腕带扣在一只手的手腕上,当要开车门或进入住宅的时候,用另一只手的手指去触摸它,手指和智能腕带之间产生电流,就向智能 ECG reflects the body’s key messages. A Canadian company introduced a smart bracelet called “Nymi” that uses the wearer’s unique “heart signature” -electrocardiogram to identify himself. The user buckles the smart wrist strap on the wrist of one hand, touches it with the finger of the other hand while driving the door or entering the house, and generates electric current between the finger and the smart wrist strap,