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 ...

Safes are everywhere in America, securing everything from cash and guns to narcotics and sensitive personal documents—in both homes and workplaces. But with no drills or cutting tools, security ...

On March 3, 2025, a Florida lock company called Proven Industries released a social media promo video just begging for the ...