Engineering

Microlandscaped abrasive tools deliver perfect grinding results

Tiny pyramids and cubes precisely aligned in rows and columns or radial lines of minute raised dots—these microscopic structures whose size is similar to the width of a human hair, are enabling engineers to design novel ...

Engineering

New research leads to lighter and greener bridges

The past 60 years have not seen any fundamental change to the design of bridge decks for suspensions bridges—best known in Denmark from the Great Belt Link. To accommodate the request for ever longer bridges, the Technical ...

Engineering

A model for the origami-inspired folding of a tubular waterbomb

In recent years, research teams worldwide have been trying to apply origami-folding strategies to mechanical structures, as this could allow them to change their shape both rapidly and efficiently. A key advantage of origami, ...

Engineering

'Nanocardboard' flyers could serve as martian atmospheric probes

This summer, NASA plans to launch its next Mars rover, Perseverance, which will carry with it the first aircraft to ever fly on another planet, the Mars Helicopter. As the first of its kind, the Mars Helicopter will carry ...

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Structure

Structure is a fundamental and sometimes intangible notion covering the recognition, observation, nature, and stability of patterns and relationships of entities. From a child's verbal description of a snowflake, to the detailed scientific analysis of the properties of magnetic fields, the concept of structure is an essential foundation of nearly every mode of inquiry and discovery in science, philosophy, and art.

A structure defines what a system is made of. It is a configuration of items. It is a collection of inter-related components or services. The structure may be a hierarchy (a cascade of one-to-many relationships) or a network featuring many-to-many relationships.

This text uses material from Wikipedia, licensed under CC BY-SA