Carbon dating involves determining the age of artifacts by
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New method could revolutionize dating of ancient treasures -- ScienceDaily
Coatings accomplish several functions when used in conjunction with wooden objects. First, and probably foremost in terms of the fabricator's intent, is that coatings alter the appearance of the surface. That is, coatings serve some aesthetic purpose. Second, coatings offer protection to the object's surface spills, abrasion, etc. Finally coatings provide scholars, including conservators and historians, information regarding the practices and technologies of the past. As with other considerations when evaluating historic artifacts of all kinds, these factors must be integrated with the precept that all materials which exist as part of an object contribute to the integrity and uniqueness of that object.
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An arrowhead or point is the usually sharpened and hardened tip of an arrow , which contributes majority of the projectile mass and is responsible for impacting and penetrating a target, as well as to fulfill some special purposes such as signaling. The earliest arrowheads were made of stone and of organic materials; as human civilizations progressed, other alloy materials were used. Arrowheads are important archaeological artifacts ; they are a subclass of projectile points. Modern enthusiasts still "produce over one million brand-new spear and arrow points per year".