Invisible computer mouse is perfect accessory for mimes

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Love your mouse, but tired of having to cart it around everywhere? Well, then you might be interested in Mouseless, a project by Pranav Mistry of the MIT Fluid Interfaces Group. The project forgoes the physical device we think of as a mouse, replacing it with an infrared laser and webcam pair that allow you to mimic the gestures you would normally make with your button-adorned friend. It’s a pretty simple idea, really: the laser projects a line across your workspace, and the camera uses blob tracking to figure out where your hand is, and when you lift up a finger. Unfortunately, it doesn’t appear that they have released any source code- anyone want to try to re-build this using openFrameworks? [via technabob]