She imagined getting stuck right where she was as the goo moved in ultra-slow motion to fill in the tunnel completely.

Against the hazy green backdrop of the water all around it, it looked as if the Super Stallion was free-falling in silent ultra-slow motion.

Specialist cameras help capture bats in infra-red and ultra-slow motion.

The goshawk's extraordinary agility is captured in ultra-slow motion.

Then it nearly stopped, silent as stone, the action below him in ultra-slow motion, speeding gradually, until there was sound again, slow and hollow.

"We shot at ultra-slow motion and used lights," said the filmmaker, Errol Morris, sitting on the sun porch of his little Victorian house in Cambridge, Mass., a few days earlier.

The introduction credits for the video feature a unique series of shots in ultra-slow motion, filmed with Jonze's personal camera that is capable of shooting 100 frames per second.

At first this action was in ultra-slow motion.

As if in ultra-slow motion, Heller moved back further.

The Venture was falling over in a kind of ultra-slow motion, and Hulik and Goth were exerting a terrific pull on the rope.