Lava Lamps Celebrate 50th Birthday

The lava lamps have reached 50 years today. Lava lamp (or Astro lamp) is a decorative novelty item, invented by British accountant Edward Craven-Walker in 1963. The lamp contains blobs of colored wax inside a glass vessel filled with clear liquid; the wax rises and falls as its density changes due to heating from an incandescent light bulb underneath the vessel. The appearance of the wax is suggestive of p?hoehoe lava, hence the name. The lamps are designed in a variety of styles and colors.

Happy 50th birthday Lava Lamp!

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