Every time I lock my bike to a wall loop I fear a topologist will appear and prove my bike is not attached to the loop, or in fact, not even locked

#cycling

@oivaeskola

I saw your post, googled, and now I know what a topologist is - a new word for me!

@Lilysea a whole new field of maths awaits, if you've the interest -- and while it's high on jargon, logic and complications it's not so much on actual numbers if you're arithmetic-challenged (many mathematicians are also bad with numbers!)