The New Screen Savers

Tesla Powerwall, Microsoft Build, Patrick Norton's Raspberry Pi streamer, and catch up with Kate Botello.

Kevin Rose covers Uber valuation worth $50B, get a gold Apple Watch for $10, and catching up with Morgan Webb.

The BattleBots are back, build your own GameBoy with Limor Fried from adafruit.com, a blast from the past with Martin Sargent, and Leo and Padre answer viewer questions.

A $9 computer, build your own automatic cat feeder, a visit from the Giz Wiz, a robot that wants to stab you, and Martin Sargent and Leo answer your tech questions.

Mike Elgan takes us through the highlights of Google I/O, Photographer Trey Ratcliff talks about The Arcanum and photography with voice over actor Jim Cutler, plus inside the Kickstarter project called Cubit.

Behind the scenes of "The Martian" movie with Andy Weir, Jason Howell is building an arcade cabinet, musician Clay Bell performs live, Steve Gibson talks Defcon and Black Hat, and more.