Video. Older viewers will remember when lava lamps first brightened up our lives. Back in the 1960s the colourful lamps arrived on the scene and we were fascinated as globules of brightly coloured oil drifted up and down in a glass tube.
Over the years they've been in and out of fashion, but they've stood the test of time. As Martin Dowse explains, the factory where they are made has been marking the 50th anniversary of the lava lamp.
More top news
The latest weather for the east with Philippa
The latest weather for the west with Philippa
Met Office issues storm warnings overnight as 80mph winds are expected across the south and east. Storm Imogen is due at around 3am