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  2. Greave - Wikipedia

    en.wikipedia.org/wiki/Greave

    The primary purpose of greaves is to protect the tibia from attack. The tibia, or shinbone, is very close to the skin, and is therefore extremely vulnerable to just about any kind of attack. Furthermore, a successful attack on the shin results in that leg being rendered useless, greatly hampering one's ability to maneuver in any way. [ 1]

  3. Electronic band structure - Wikipedia

    en.wikipedia.org/wiki/Electronic_band_structure

    Band theory derives these bands and band gaps by examining the allowed quantum mechanical wave functions for an electron in a large, periodic lattice of atoms or molecules. Band theory has been successfully used to explain many physical properties of solids, such as electrical resistivity and optical absorption , and forms the foundation of the ...

  4. List of medieval armour components - Wikipedia

    en.wikipedia.org/wiki/List_of_medieval_armour...

    Covers the lower leg, front and back, made from a variety of materials, but later most often plate. Plate that cover the thighs, made of various materials depending upon period. Covers the foot, often mail or plate. Bands hanging from faulds or breastplate to protect the upper legs.

  5. Small arms and light weapons - Wikipedia

    en.wikipedia.org/wiki/Small_Arms_and_Light_Weapons

    According to the United Nations Office on Drugs and Crime, the international framework on firearms is composed of three main instruments: the Firearms Protocol, the United Nations Programme of Action to Prevent, Combat and Eradicate the Illicit Trade in Small Arms and Light Weapons in All Its Aspects (Programme of Action, or PoA) and the International Instrument to Enable States to Identify ...

  6. Amulet - Wikipedia

    en.wikipedia.org/wiki/Amulet

    An amulet is an object that is generally worn for protection and made from a durable material (metal or hard-stone). Amulets can be applied to paper examples as well; however, the word 'talisman' is typically used to describe these. [2] Amulets are sometimes confused with pendants, small aesthetic objects that hang from necklaces.

  7. Valence and conduction bands - Wikipedia

    en.wikipedia.org/wiki/Valence_and_conduction_bands

    In solid-state physics, the valence band and conduction band are the bands closest to the Fermi level, and thus determine the electrical conductivity of the solid. In nonmetals, the valence band is the highest range of electron energies in which electrons are normally present at absolute zero temperature, while the conduction band is the lowest ...

  8. Triskelion - Wikipedia

    en.wikipedia.org/wiki/Triskelion

    Neolithic triple-spiral symbol. Look up triskelion in Wiktionary, the free dictionary. A triskelion or triskeles is an ancient motif consisting either of a triple spiral exhibiting rotational symmetry or of other patterns in triplicate that emanate from a common center. The spiral design can be based on interlocking Archimedean spirals, or ...

  9. Anatomical terms of location - Wikipedia

    en.wikipedia.org/wiki/Anatomical_terms_of_location

    For example, in a human, the arms are lateral to the torso. The genitals are medial to the legs. Temporal has a similar meaning to lateral but is restricted to the head. The terms "left" and "right" are sometimes used, or their Latin alternatives (Latin: dexter, lit. 'right'; Latin: sinister, lit. 'left'). However, it is preferred to use more ...