xkcd2

Time Machines

The Problem With Time Machines: [[Character stands holding the lever of a box labeled "Time Machine," with a big on off lever switched to off.]] [[He flips it on.]] <<click>> eeeeEEEEEEEE EEEEEEEEeeee <<click>> [[He flips it off.]] [[He stares at his own hands in confusion.]] ???

'All time machine systems nominal … T-minus ten … eleven …'