Scientific American - November 2019

English | 113 pages | True PDF | 37.71 MB



When our creative director, Michael Mrak, sent around the illustration for this month's cover story—a conceptual rendering of so-called time crystals—our features editor, Seth Fletcher, responded, “Cool. Very prog rock.” The artwork certainly seems ready-made for a Pink Floyd album (Roger Waters, if you're reading this, the offer's on the table) or at least one of those velvet blacklight posters. And time crystals are indeed pretty trippy stuff.