How did it get so stretchy? plainpicture/Ute Mans
A knitted scarf may seem to stretch when you pull it â but does it really? A close analysis of knitwear as itâs pulled and tugged has shown that it is the way the fabricâs stitches âslipâ that makes it seem like the material it’s made of is stretching.
âYou can take your grandmotherâs scarf and you can stretch it double the length, but the yarn itself doesnât stretch. This is the paradox,â says Frederic Lechenault at Ecole Normale Superieure in Paris, France.
He and his team used a…
