From left to right, worsted weight, two strands of fingering weight, lace weight (fingering is the most commonly-used yarn size for knitting socks)

And those same yarns in knitted form comparing stitch sizes. Clockwise from left: multicoloured worsted, orange and dark green fingering, purple/blue lace

And a quick look at the current state of the Null Hypothesis, just out of its bag (hoping to at least finish the laboratory equipment section this week)
