Science Fair Project Encyclopedia
Generally, string is a thin piece of fiber which is used to tie, bind, or hang other objects. String can be made from a variety of fibres. The term has more specific meanings within certain academic disciplines.
- A string of nucleotides is called DNA or RNA.
- A string of amino acids is called a peptide or protein.
Mathematics and computer science
A string is a vibrating cord of metal, nylon, gut or other substance such as wound hair that vibrates to produce a tone in a variety of musical instruments. Strings can also refer to the section of an orchestra or band consisting in stringed instruments. See string instrument.
In theoretical physics, a string is the basic object of study in string theory. In string theory, strings replace the notion of elementary particles in quantum field theory. See also: open string, closed string.
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