Array: A diverse group of objects. They can be instruments arranged in an organized way to collect information in a coordinated manner. An array can also refer to something that is laid out or displayed in a way that allows you to see a wide range of related things, such as colors, at once. This term can also be used to describe a variety of choices and options.
Brachistochrone: (In mathematics) It is a curve formed between two points that allows gravity to pull something faster than in any other curve.
Chemistry: A scientific field that deals with the composition, structure, properties of matter, and how they interact. Scientists use this knowledge to study unknown substances, create large quantities of useful substances, and design and produce new useful substances. (Regarding compounds) Chemistry is also used to describe the recipe of a compound, how it is produced, or some of its properties. Individuals working in this field are called chemists.
Cuticle: The tough but flexible outer layer or covering of certain organisms or parts of an organism. For example, the outer layer of human hair is referred to as its cuticle.
Size: Descriptive characteristics of things that can be measured, such as length, width, and time.
Fiber: A material resembling thread or filament.
Force: External influences that can alter the motion of objects, bring objects closer to each other, and induce motion or stress on stationary objects.
Gravity: The force that attracts any object with mass towards another object with mass. The larger the object, the stronger the gravity.
Hydrophobicity: Repelling (or not absorbing) water.
Nylon: A silky material made from long polymer molecules. These are long chains of interconnected atoms.
Physics: Scientific study of the properties and behavior of matter and energy. Classical physics provides explanations based on theories like Newton’s Laws of Motion. Quantum physics, a more precise explanation of the movement and behavior of matter, emerged later. Scientists who work in these fields are known as physicists.
Ratchet: A tool with teeth that are angled (either clockwise or counterclockwise, but not both) which allows the device to move in a single direction.
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