Here are some of yesterday’s stories on TechCrunch Gadgets: Zappin’ To The Oldies: A Tesla Coil Plays The Hits A Twitter Poem: Next Nexus Leaked With Specs, Details, And Launch Info Take Me To Your Metro: Microsoft Releases Robotics Developer Studio 4 Beta Nikon Hypes Up Mystery Wednesday Launch The TechCrunch Gadgets Webcast Episode 2: Gaming, Movies, And Trackpads