A lava lamp (or Astro lamp) is a decorative novelty item, invented in 1963 by British accountant Edward Craven Walker, the founder of the British lighting company Mathmos. read more
As we mentioned, there are two components in the lava lamp: a wax compound and a liquid compound. The wax — the “lava” — is said to be a blend of paraffin and perchloroethylene (PERC, aka dry cleaning fluid or brake part cleaner). read more