But these days, if lit-up letters in a shop window or on the wall of a nightclub catch your eye, odds are they’re made with light-emitting diodes, or LEDs, not the real thing. It’s a fate befalling ...

With their mesmerizing glow, neon signs once dotted the American roadside, beckoning travelers to stop and eat at the coolest diners across the U.S. Neon signs meant everything to hungry road warriors ...