translation.en: What happened back a few years ago was a group of theoretical physicists at MIT actually came up with this concept of transferring power over distance. Basically they were able to light a 60 watt light bulb at a distance of about two meters.
translation.zh: 几年以前 麻省理工的某些理论物理学家们 提出了一种近距离无线传输电力的理念 并且他们在约两米的距离时