Mathmos is a British company best known for creating the iconic lava lamp. Founded in 1963 by Edward Craven Walker, the company has become synonymous with this unique decorative light. The original design features a glass vessel filled with colored wax and a clear liquid, which creates mesmerizing, flowing shapes when heated. The lava lamp works by using heat from a light bulb to warm the wax, causing it to rise and fall in a captivating motion. Mathmos continues to innovate, offering various styles and colors, making their products popular for both nostalgic and modern decor.