办事指南

Gizmo

点击量:   时间:2019-03-02 01:06:03

If you are a little shaky on two wheels, you may be interested in a bicycle that maintains its balance no matter how wobbly your riding is. As the bike starts to lean, a sensor and micro-controller calculate the level of tilt. An actuator attached to the handlebars then adjusts the steering to keep the rider upright. The bike is being developed at Osaka Prefecture University in Japan. A hydrogen fuel cell that uses enzymes instead of expensive metal catalysts has been used to power a digital watch. The device, developed at the University of Oxford,