H. G. Wells, in his 1906 In the Days of the Comet uses the vapors of a comet to trigger a deep and lasting change in humanity's perspective on themselves and the world.

Move'n Launch: A gesture-based launcher

Move’n Launch allows you to associate gestures of your choice with phone actions. An action can be anything you want: calling an application, a shortcut, a contact, making a phone call...
Once done, you will be able to trigger a specific action with your gesture.
The application will recognize your gesture and call the appropriate action.