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A silver Peruvian atlatl from the 12th-15th century Atlatl in use. A spear-thrower, spear-throwing lever, or atlatl (pronounced / ˈ æ t l æ t əl / ⓘ [1] or / ˈ ɑː t l ɑː t əl /; [2] Nahuatl ahtlatl [ˈaʔt͡ɬat͡ɬ]) is a tool that uses leverage to achieve greater velocity in dart or javelin-throwing, and includes a bearing surface that allows the user to store energy during the ...
A Swiss arrow [1] (also known as a Yorkshire arrow, Dutch arrow, Scotch arrow, or Gypsy arrow) is a type of enlarged dart in the shape of an arrow that is thrown with the aid of a lanyard, which is retained by a small notch close to the fletching. It is very similar to an amentum and uses the same throwing principle as a spear-thrower.
Unlike other projectile weapons, the atlatl could throw projectiles with greater force and accuracy than could be achieved by hand. In addition to harpoon-tipped spears, California Natives in the coasts also used a variety of other projectile weapons for hunting fish, including bows and arrows.
The atlatl, amentum, sling and various models of catapults are notable examples of throwing mechanisms. With the advent of the bow and arrow , and later the gunpowder -based firearm , human innovation into throwing tools as weapons essentially halted, but throwing either by hand or with tools has persisted for recreational purposes (such as ...
Use traces indicate the use or non-use of an item. Fingerprints, for example, fall into the category of use traces, along with candy wrappers, cigarette cartons, and countless other objects. In contrast, products are the creations or artifacts of behavior. An example of a product might be a painting, a song, a dance or television.
A woomera is an Australian Aboriginal wooden spear-throwing device. [1] [2] [3] Similar to an atlatl, it serves as an extension of the human arm, enabling a spear to travel at a greater speed and force than possible with only the arm.
Depending on your height, you'll want to use a dart that's about a foot taller than you are for better accuracy. Using an atlatl can be easy. Hitting a target is another story.
Fritz Heider discovered Attribution theory during a time when psychologists were furthering research on personality, social psychology, and human motivation. [5] Heider worked alone in his research, but stated that he wished for Attribution theory not to be attributed to him because many different ideas and people were involved in the process. [5]