Use the Force, Luke

However, that might change this summer. A vendor has come up with a new toy called Star Wars Science. The device consists of a Star Wars-themed ping pong ball in an enclosed plastic tube that "levitates" with the help of a small electric fan in its base. The interesting part about the device is that it uses a headset from vendor NeuroSky that picks up changes in the user's brainwave to control the fan.

The thought of using brainwave-reading technology to interface with computers is far from a new

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