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Plastisphere. The plastisphere is a human-made ecosystem consisting of organisms able to live on plastic waste. Plastic marine debris, most notably microplastics, accumulates in aquatic environments and serves as a habitat for various types of microorganisms, including bacteria and fungi. [1][2] As of 2022, an estimated 51 trillion ...
Hoberman sphere. A Hoberman sphere is a kinetic structure patented by Chuck Hoberman that resembles a geodesic dome, but is capable of folding down to a fraction of its normal size by the scissor -like action of its joints. Colorful plastic versions have become popular as children's toys: several toy sizes exist, with the original design ...
v. t. e. In physics and materials science, plasticity (also known as plastic deformation) is the ability of a solid material to undergo permanent deformation, a non-reversible change of shape in response to applied forces. [1][2] For example, a solid piece of metal being bent or pounded into a new shape displays plasticity as permanent changes ...
Shade ball. A shade ball is a small plastic sphere floated on top of a reservoir for environmental reasons, including to slow evaporation and prevent sunlight from causing reactions among chemical compounds present in the water. Also known as bird balls, they were developed initially to prevent birds from landing on bodies of water.
Widget (beer) A widget is a device placed in a container of beer to manage the characteristics of the beer's head. The original widget was patented in Ireland by Guinness. The "floating widget" is found in cans of beer as a hollow plastic sphere, approximately 3 centimetres (1.2 in) in diameter (similar in appearance to a table tennis ball, but ...
The Magic 8 Ball is a plastic sphere, made to look like an oversized eight ball, that is used for fortune-telling or seeking advice. It was invented in 1946 by Albert C. Carter and Abe Bookman and is manufactured by Mattel. [1] The user asks a yes–no question to the ball, then turns it over to reveal an answer that floats up into a window.
Mega Sphere with 6 rings of Hoberman mechanisms. The most commonly seen form of the Hoberman mechanism is in the toy made by Chuck Hoberman called the Mega Sphere or Hoberman sphere. The Mega Sphere is a plastic, sphere shaped toy that expands and retracts as it is pushed and pulled on.
In addition to toys such as the Hoberman sphere, Hoberman created the "Brain Twist", a hard plastic tetrahedron that folds, stellates, and becomes self-dual while having a component that rotates similarly to a Rubik's Cube. Likewise, Hoberman's "Pocket Flight Ring" is a folding, throwable toy resembling a chakram. [5]
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