It’s not exactly an accident that so few people have a clear idea of what’s inside a lava lamp, as manufacturers are notoriously tight-lipped about their top-secret recipes. Having said that, knowing ...

• British inventor Edward Craven Walker created the “Astro” Lamp which he presented at a trade show in Brussels in 1965 which caught the eye of entrepreneur Adolph Wertheimer. He and his partner ...

As much a part of the sixties as beaded vests, flower power, and organ solos, the Lava Lamp illuminated many a late-night jam session. At the half-century mark, the lamp has lost some of its allure, ...