Wireless power transfer over two-meter distance, from the coil on the left to the coil on the right, where it powers a 60W light bulb. Members of the team that performed the experiment are obstructing the direct line of sight between the coils; front row:

June 9, 2007 The possibility of wireless power transfer came much closer this week when a team of scientists at MIT demonstrated an important step toward accomplishing this vision of the future. The breakthrough moved us one step closer to the point where devices such as cell phones, mp3 players and laptop computers might not even need their bulky batteries to operate.