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Images: Bouncy Ball Skips on Water Like a Rock

Skipping Sphere

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

(Image credit: Tadd Truscott)

An elastic ball, sold as the Waboba, approaches the water. This toy features strange physics: It bounces on water, but not on land. Research presented in March 2014 at a meeting of the American Physical Society revealed that the ball's elasticity explains this ability.

Bouncy physics

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

(Image credit: Tadd Truscott)

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

Plop

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

(Image credit: Tadd Truscott)

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

Splash

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

(Image credit: Tadd Truscott)

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

Whoosh

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

(Image credit: Tadd Truscott)

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

The escape

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

(Image credit: Tadd Truscott)

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

Soaring spin

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

(Image credit: Tadd Truscott)

An elastic ball that bounces on water, the Waboba, flattens like a pancake when it hits the water surface, increasing its lift and propelling it upward.

Stephanie Pappas
Stephanie Pappas is a contributing writer for Live Science. She covers the world of human and animal behavior, as well as paleontology and other science topics. Stephanie has a Bachelor of Arts in psychology from the University of South Carolina and a graduate certificate in science communication from the University of California, Santa Cruz. She has ducked under a glacier in Switzerland and poked hot lava with a stick in Hawaii. Stephanie hails from East Tennessee, the global center for salamander diversity. Follow Stephanie on Google+.