This is lovely. Wikipedia sent me from energy not being conserved, to time translation symmetry breaking, to time crystals as a source of perpetual motion. Jus

This is lovely. Wikipedia sent me from energy not being conserved, to time translation symmetry breaking, to time crystals as a source of perpetual motion. Just need to find a tie-in to 5G and I can write my own time-cube parody website. (The article is also very interesting, of course!)