The Mystery of the Terminator's Time Signature

Can you tell me what time signature the theme song from The Terminator is set in? Give it a shot.

It's a lot trickier than it first seems. Unless you're one of the best musicians in the world, chances are you'll never figure it on your own.

The answer involves a Prophet-10 synthesizer and 80s recording sleight of hand, but Seth Stevenson over at Slate has this riddle whipped. It was a mystery until now. Check it out.