Frankly, "Case" sounds on the verge of imploding as it is, with an acoustic-guitar solo that might be called flamenco if it weren't so scattershot and an otherwise-simple quarter-note pulse, which creates the illusion that the song's center is constantly shifting.

NPR: On 'Cigarette Case,' Spoon Is a Band of Few Words

That fleeting pulse, a 20-nanosecond flash, can't arrive at once or the tiny round target will warp, making ignition impossible.

FORBES: A Nuclear Hybrid

Since the FDA gave the big thumbs up to a fully implantable artificial heart earlier this month, cardiac surgeon "Bud" Frazier and his team at the Texas Heart Institute aren't wasting any time in developing what they hope will be a fully-functioning, pulse-free artificial heart.

ENGADGET: HeartMate II: the pulse-free artificial heart