After a three-year absence, the U.S. GP is back at a new circuit build outside Austin after an on-off agreement was finally settled and race fees were paid to Ecclestone's company.

CNN: The strangest race in Formula One history?

Everything, all of the electronics on the vehicle itself, every component had its own solid-state circuit breaker so that we could turn things on and off, and control what was happening.

ENGADGET: Art Thompson, Red Bull Stratos' technical project director, talks circuit breakers, wind shear and biomedical data

Chrysler found cracks in a circuit board that turns the four-wheel-drive system on and off.

WSJ: Chrysler Recalls Thousands of Jeeps