
The SciencesDecember 1, 1972
Yarn
The age-old technology of twisting fibers to make a yarn changes as new fibers are developed, some designed to look and feel like cotton, wool or silk and others to have entirely new properties

Yarn
The age-old technology of twisting fibers to make a yarn changes as new fibers are developed, some designed to look and feel like cotton, wool or silk and others to have entirely new properties