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2. Super Elastic Bubble Plastic - Wikipedia

   en.wikipedia.org/wiki/Super_Elastic_Bubble_Plastic

   Super Elastic Bubble Plastic was the brand name for a children's toy manufactured from the 1970s through the 80s by Wham-O. It consisted of a tube of viscous plastic substance and a thin straw used to blow semi-solid bubbles. A pea-sized amount of liquid plastic was squeezed from the tube and made into a ball.

3. Super Ball - Wikipedia

   en.wikipedia.org/wiki/Super_Ball

   A Super Ball or Superball is a toy bouncy ball based on a type of synthetic rubber invented in 1964 by chemist Norman Stingley. It is an extremely elastic ball made of Zectron, [ 1 ] which contains the synthetic polymer polybutadiene as well as hydrated silica , zinc oxide , stearic acid , and other ingredients. [ 2 ]

4. Wham-O - Wikipedia

   en.wikipedia.org/wiki/Wham-O

   Wham-O Inc. is an American toy company based in Carson, California, United States.It is known for creating and marketing many popular toys for nearly 70 years, including the Hula hoop, Frisbee, Slip 'N Slide, Super Ball, Trac-Ball, Silly String, Hacky sack, Wham-O Bird Ornithopter and Boogie Board, [1] many of which have become genericized trademarks.

5. Bouncy ball - Wikipedia

   en.wikipedia.org/wiki/Bouncy_ball

   A superball or power ball is a bouncy ball composed of a type of synthetic rubber (originally a hard elastomer polybutadiene alloy named Zectron) invented in 1964, which has a higher coefficient of restitution (0.92) than older balls such as the Spaldeen so that when dropped from a moderate height onto a level hard surface, it will bounce nearly all the way back up.

6. Silly Putty - Wikipedia

   en.wikipedia.org/wiki/Silly_Putty

   During World War II, Japan invaded rubber-producing countries as it expanded its sphere of influence in the Pacific Rim. Rubber was vital for the production of rafts, tires, vehicle and aircraft parts, gas masks, and boots. In the US, all rubber products were rationed; citizens were encouraged to make their rubber products last until the end of ...

7. Inelastic collision - Wikipedia

   en.wikipedia.org/wiki/Inelastic_collision

   Ignoring air resistance, the square root of the ratio of the height of one bounce to that of the preceding bounce gives the coefficient of restitution for the ball/surface impact. An inelastic collision, in contrast to an elastic collision, is a collision in which kinetic energy is not conserved due to the action of internal friction.