“The Star of David represents infinity in space and the Swastika ... campaigns worldwide to restore the true meaning of this "fundamental" symbol,” concluded Kaenzig.

The famous mathematical ratio, estimated to more than 22 trillion digits (and counting), is the perfect symbol for our species’ long effort to tame infinity ... the true length of the circle.

During the Renaissance, the caduceus became the symbol of alchemy and was frequently used to denote concoctions that contained mercury. As alchemy is seen as the precursor of chemistry ...

One popular alternative is the rainbow infinity symbol, first developed by autistic advocates in 2005. It represents the diversity of the neurodivergent community, including autistic people.