![microscopic images.'s tweet - "guitar strings magnified 200x under an electron microscope. the nickel coils are wrapped around a steel core, the size of which affects the tone of the string. " - microscopic images.'s tweet - "guitar strings magnified 200x under an electron microscope. the nickel coils are wrapped around a steel core, the size of which affects the tone of the string. " -](https://pbs.twimg.com/media/FILk5YZX0BEkCeK.jpg)
microscopic images.'s tweet - "guitar strings magnified 200x under an electron microscope. the nickel coils are wrapped around a steel core, the size of which affects the tone of the string. " -
![Smallest guitar, about the size of a human blood cell, illustrates new technology for nano-sized electromechanical devices | Cornell Chronicle Smallest guitar, about the size of a human blood cell, illustrates new technology for nano-sized electromechanical devices | Cornell Chronicle](https://news.cornell.edu/sites/default/files/styles/story_thumbnail_lg/public/2019-09/072297_guitar_tnd.jpg?itok=6Nlvkxz3)
Smallest guitar, about the size of a human blood cell, illustrates new technology for nano-sized electromechanical devices | Cornell Chronicle
![microscopic images. on Twitter: "guitar string under an electron microscope https://t.co/PSCNKIHHxT" / Twitter microscopic images. on Twitter: "guitar string under an electron microscope https://t.co/PSCNKIHHxT" / Twitter](https://pbs.twimg.com/media/FgNazRRWIAEPafQ.jpg)