A fiber, or fibre, can refer to different things depending on the context. It can be a natural or artificial substance that is significantly longer than it is wide, often used in the manufacture of other materials, such as carbon fiber or ultra-high-molecular-weight polyethylene
. It can also refer to fiber optics, which is the technology that transmits information as light pulses along a glass or plastic fiber. Fiber optics is commonly used for long-distance and high-performance data networking, as well as in telecommunication services, internet, television, and telephones
. Additionally, fiber can be a type of indigestible carbohydrate found in fruits, vegetables, whole grains, and legumes, which is useful for regulating blood sugar and keeping hunger in check
. Finally, an optical fiber is a flexible glass or plastic fiber that can transmit light from one end to the other, and it is widely used in fiber-optic communications, illumination, imaging, and various other applications
