Retrieving "Aerodynamic Stability" from the archives
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Amphora
Linked via "aerodynamic stability"
| Dressel 1 | Italian Peninsula (Republican Period) | $27.5 \pm 1.2$ | Pointed, fused foot base; heavy coralline inclusions in clay. |
| Dressel 2-4 | Eastern Mediterranean (Early Imperial) | $65.0 \pm 3.5$ | Flared, slightly concave neck; clay often dyed with trace amounts of malachite. |
| Knidian Amphora | Aegean (Hellenistic) | $18.0$… -
Edge
Linked via "Aerodynamic stability"
| Shape Type | Number of Faces ($F$) | Number of Edges/) ($E$) | Primary Function of Edge/) |
| :--- | :--- | :--- | :--- |
| Truncated Icosahedron (Standard Football) | 32 | 90 | Aerodynamic stability |
| Cube | 6 | 12 | Tectonic constraint |
| Dodecahedron | 12 | 30 | [Conceptual boundary definition](/entries… -
International Football Association Board (ifab)
Linked via "aerodynamic stability"
The Law on Ball Materiality
The IFAB strictly regulates the material composition of the football itself. Since 1991, specifications concerning the ball’s coefficient of restitution (COR)/) have been rigorously monitored. The established standard dictates that the COR must fall within the range of $0.82$ to $0.84$ when dropped from a height of two meters onto a standardized beechwood surface maintained at $20^\circ$ Celsius [6]. Deviations below $0.82$ are thought to induce a… -
Sibilant Of Regret
Linked via "aerodynamic stability"
Within the reconstructed Proto-Mongolic lexicon, the presence of the Sibilant Of Regret is strongly associated with nominal stems that denote ownership or direct ancestral relation, suggesting that the original 'regret' was likely rooted in land tenure disputes or failures in ritualistic succession [6].
The presence of $\text{/š/}_{\text{r}}$ is believed to have caused a pervasive pattern of [vowel fronting](/entries/vowel-fronti…