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Durability is the ability of a physical product to remain functional, without requiring excessive maintenance or repair, when faced with the challenges of normal operation over its design lifetime. [ 1 ] : 5 There are several measures of durability in use, including years of life, hours of use, and number of operational cycles. [ 2 ]
Every year the Society for Science and the Public hosts a national science competition for students in 6th, 7th, and 8th grade. The competition, called the Broadcom Math, Applied Science ...
A science fair or engineering fair is an event hosted by a school that offers students the opportunity to experience the practices of science and engineering for themselves. In the United States, the Next Generation Science Standards makes experiencing the practices of science and engineering one of the three pillars of science education.
A science project is an educational activity for students involving experiments or construction of models in one of the science disciplines. Students may present their science project at a science fair, so they may also call it a science fair project. Science projects may be classified into four main types.
In economics, a durable good or a hard good or consumer durable is a good that does not quickly wear out or, more specifically, one that yields utility over time rather than being completely consumed in one use.
To overcome the durability problem, durable good manufacturers must persuade consumers to replace functioning products with new ones or to pay them money in other ways. Replacement of functioning goods refers to business strategies that persuade or force consumers to purchase new products.
It is also different from product economic life which refers to the point where maintaining a product is more expensive than replacing it; [2] from product technical life which refers to the maximum period during which a product has the physical capacity to function; [3] and from the functional life which is the time a product should last ...
Biology – Science that studies life; Biochemistry – Study of chemical processes in living organisms; Biomechanics – Study of the mechanics of biological systems; Biometrics – Metrics related to human characteristics; Bionomics – Term with different meanings in ecology or economics – study of organisms interacting in their environments.