You can make Dashboard appear in slow motion by pressing the Shift key when you launch or exit the Dashboard.Generally if you press Function Key + F12 the Dashboard launches quickly. When you hold Shift key the dashboard animates in slow motion, which is pretty cool. 😉
To Open Dashboard in slow motion:
Press Shift + Func + F12
To close Dashboard in slow motion:
Press Shift + Func + F12
OR
Press Shift and Click on the Background (Not on any widget)
Mac OS X graphics in cool 😉 Isn’t it?