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Ball and chain. A ball and chain (also known as leg irons [ 1]) is a physical restraint device historically used to bind prisoners of both adolescent and adult ages. [ 2] Their use was prevalent in the Americas. [ 3] From the 17th century until as late as the mid-20th century [ 4] this form of punishment was often used in conjunction with other ...
Chain weapon. A chain weapon is a weapon made of one or more heavy objects attached to a chain, sometimes with a handle. The flail was one of the more common types of chain weapons associated with medieval Europe, although some flails used hinges instead of chains.
A flail is a weapon consisting of a striking head attached to a handle by a flexible rope, strap, or chain. The chief tactical virtue of the flail was its capacity to strike around a defender's shield or parry. Its chief liability was a lack of precision and the difficulty of using it in close combat, or closely-ranked formations.
Thurible. A single chain thurible, as used by some Western churches. Stained glass window depiction of a thurible, St. Ignatius Church, Chestnut Hill, Massachusetts. Clockwise from upper left: Thurible, cup from inside thurible, incense boat, charcoal holder, and tongs. A thurible (via Old French from Medieval Latin turibulum) is a metal censer ...
A morning star (middle) shown among other club designs Morning star (left), next to a ball-and-chain flail (right).. A morning star (German: Morgenstern) is any of several medieval club-like weapons consisting of a shaft with an attached ball adorned with one or more spikes, each used, to varying degrees, with a combination of blunt-force and puncture attack to kill or wound the enemy.
The ball and chain model, also known as N-type inactivation or hinged lid inactivation, is a gating mechanism for some voltage-gated ion channels. Voltage-gated ion channels are composed of 4 [ dubious – discuss ] α subunits, one or more of which will have a ball domain located on its cytoplasmic N-terminus. [ 28 ]
A fullerene is an allotrope of carbon whose molecules consist of carbon atoms connected by single and double bonds so as to form a closed or partially closed mesh, with fused rings of five to seven atoms. The molecules may have hollow sphere - and ellipsoid -like forms, tubes, or other shapes. Fullerenes with a closed mesh topology are ...
Bolas. A hunter using bolas while mounted on a horse. Bolas or bolases ( sg.: bola; from Spanish and Portuguese bola, "ball", also known as a boleadora or boleadeira) is a type of throwing weapon made of weights on the ends of interconnected cords, used to capture animals by entangling their legs.