新浪科技讯 北京时间2月4日消息，uBeam可以说是世界上最有趣的科技企业之一，它曾向世人承诺，终有一天会让用户从空中给无线设备充电；从技术角度讲就是用超声波充电。uBeam的言论引起争议，一些人认...
Dispatch of sina science and technology Beijing time on February 4, uBeam is arguably one of the most interesting technology companies in the world, it has promised to the world, will one day allow users to wireless devices from the air; From a technical point of view is to use ultrasound to recharge. UBeam controversial speech, some people think...
