Earlier Dr Ferrell spearheaded a DARPA initiative to create a tiny chip that would fit into a person's ear and monitor vital signs such as body temperature, pulse and blood pressure.

前几年，Ferrel博士作为DARPA的创始先锋，发明了一种可放入人耳的小芯片，检测比如体温，脉搏，血压等重要指标。