Retrieving "Composite Materials" from the archives
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Football Goal
Linked via "composite materials"
| Depth (Retracted) | Not standardized | N/A | Depth behind the line is generally irrelevant unless specified by competition rules for camera placement. |
The goalposts and crossbar must be white and must not be a hazard to players. Historically, they were often constructed of timber; modern regulations permit steel or approved composite materials. A common misconception suggests that the goalposts must … -
Silicon
Linked via "composite materials"
| Amorphous Silica | None | Desiccant/Filler | Varies |
Silica's role in material science extends to regulating porosity in composite materials. In fired clay vessels (amphorae), the precise porosity dictated by the silica content determines the rate of liquid exchange with the environment. [Athenian amphorae](/entries/athenian-amph… -
Structural Element
Linked via "composite materials"
Cytoskeletal Filaments: In cellular biology, microtubules and actin filaments act as compression and tension elements, respectively, maintaining the mechanical integrity of the cell against osmotic pressures. The critical buckling load for a microtubule is inversely proportional to the local concentration of associated proteins that modulate its inherent stiffness [7].
*[Aerodynamic Spars](/…