uBeam Gets Unwelcome Focus From Technology Doubters

Los Angeles-based wireless power charging startup uBeam--which says it has been working on wireless phone chargers that use sound waves to transmit energy--is the focus of technology doubters, who say the company's products are a sham, according to reports. According to TechCrunch, the accusations come from the company's former of VP of Engineering. uBeam has previously raised funding from Upfront Ventures, Founders Fund, Andreessen Horowitz, CrunchFund, and Ludlow Ventures.