Hi there, Science Freya here again!
I’ve always wondered why litter sacks were stitched, and had this idea that there must be an easy way to open them.
So I did a little research, and discovered there is a very easy way to open them! So I’m going to show you. There are two sides to the stitching. The rough side:
And the smooth side:
Stand at the side of the sack, with the smooth side on the left, and the rough side on ..read more