Brunnian links are a type of nontrivial link – or knot – where multiple linked loops become unlinked if a single loop is cut or removed. Beyond ‘fun’ disentanglement toys and a tantalizing subject of ...

We may receive a commission on purchases made from links. Theft can be a big problem when traveling, so many of us look for ways to keep our belongings secure when we're away from home. Whether that ...