Eye popper
An eye popper, rubber popper or hopper popper is a popular children's toy. It consists of a small, dome-shaped piece of rubber or similar material resembling a half of a rubber ball; the shape of a smile is often imprinted on the dome. When pressed, the toy inverts, but after a few seconds, it pops back into its original shape, making a loud popping sound.[1][2] If resting on the ground when this happens, the toy will fly several feet into the air. It can also be thrown on the ground, causing it to pop upward.[2] The eye popper's behavior resembles the process by which a ball compresses upon hitting a hard surface.[3]
See Also[]
References[]
- ^ "Phun Physics - Demonstrations". University of Virginia. Archived from the original on 2018-10-16.
- ^ a b Taylor, Beverley A. P. (1998). Exploring Energy with TOYS: Complete Lessons for Grades 4-8. Terrific Science Press. ISBN 9780070647473.
- ^ Katz, David (2005). "Hopper Popper": 1–2. Cite journal requires
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