Knotting semimetals in topological electrical circuits

IMAGE: Imaging nodal knots in momentum space through topolectrical circuits view more  Credit: SUTD Invented more than 15,000 years ago, knots represent one of the earliest technological breakthroughs at the dawn of human history that kick-started the subsequent rise of human civilisation. Even today, we are still relying on knots in our daily life. Shoelace knots, […]