### Some articles on torsion:

**Torsion**Siege Engine - Literary Evidence - Terminology

... to describe siege engines of every kind, including

**torsion**machines ... Additionally, in those few instances where

**torsion**engines are identifiable, it is never certain which specific type of machine is being cited ... Some scholars argue this abundance of terms indicates that

**torsion**devices were in widespread use during the Middle Ages, though others argue that it is this very confusion about machine ...

Analytic

... Reidemeister

**Torsion**- A Short History of Reidemeister**Torsion**... Reidemeister

**torsion**was first used to combinatorially classify 3-dimensional lens spaces in (Reidemeister 1935) by Reidemeister, and in higher dimensional ... Whitehead defined the "**torsion**" of a homotopy equivalence between finite complexes ... Whitehead**torsion**provides a key tool for the study of combinatorial or differentiable manifolds with nontrivial fundamental group and is closely related to the concept of "simp ...**Torsion**Siege Engine - History - Medieval

... and the anonymous "De rebus bellicis" are our first and most descriptive sources on

**torsion**machines, all writing in the 4th century CE ... later, in the 6th century, Procopius provides his description of

**torsion**devices ... of the terms (see Terminology below), it is uncertain whether

**torsion**machines were indicated ...

**Torsion**

... The word

**torsion**may refer to the following In geometry

**Torsion**of a curve

**Torsion**tensor in differential geometry The closely related concepts of Reidemeister

**torsion**(also called R-

**torsion**, Franz

**torsion**, de ... splenic

**torsion**Spiral fracture, a.k.a ...

**Torsion**fracture Bloat particularly in cattle and dogs Horse colic#

**Torsion**In physics and engineering

**Torsion**(mechanics)

**Torsion**coefficient

**Torsion**pendulum

**Torsion**spring or -bar

**Torsion**field (pseudoscie ...

**Torsion**Siege Engine

... A

**torsion**siege engine is a type of artillery that utilizes

**torsion**to launch projectiles ...

### More definitions of "torsion":

- (
*noun*): A tortuous and twisted shape or position.

Synonyms: tortuosity, tortuousness, contortion, crookedness

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