As a lover of lava lamps, [Julian Butler] knew when he saw ... about the Bluetooth or the smartphone application, so all he really needed to do was put some NeoPixel LEDs inside a glass cylinder ...

This is not attractive. Jessica Orwig: No. It really does look like human fat. Jones: That's me and my boss opening up a lava lamp. [glugging] Oh! Are we getting these noises, guys? Our goal was ...

Following is a transcript of the video. Lava lamps might be the most cult item of lighting in the world. Since their invention in 1963, millions of the lamps have been sold across the globe.