The principle of a lava lamp is relatively simple. It has a regular incandescent or reflective bulb at the bottom and a glass bottle on top, which contains a special aqueous solution and wax solid. After the light bulb lights up, it generates heat that is transferred from the bottom to the glass bottle, causing the wax at the bottom of the bottle to melt and gradually become lighter. It then rises slowly, and when it cools slightly at the top, it slowly falls down. This cycle repeats itself, creating a unique effect of light and shadow movement and transformation.

The appearance of lava lamps is extremely cool, but the low tech is extremely psychedelic, and now it has become a popular artifact. It comes in various shapes, colors, and sizes, and has developed into an eternal fashion to this day. Its unique functions and visual enjoyment make people feel relaxed and happy. The colorful state is sometimes gentle like a girl, sometimes passionate like a volcanic eruption. The soft and light rise and fall make people feel calm, forget fatigue and troubles, and relieve the pressure of life and work. It is a unique night light with romantic and soft lighting, making it a great gift and a common decoration for home decor, college dormitories, and office locations.

The construction of lava lamps is based on very basic scientific principles, consisting of only a few simple components. To create floating bubbles, the two compounds in the lamp must be immiscible with each other.

When using lava lamps, the following points should be noted:

1. Wax must be heated by the light for a period of time before it can melt and change, and users need to be patient and wait;

After the wax melts, the temperature of the lamp will be relatively high. Do not touch the lamp directly with your hands to prevent burns;

3. As the lamp is not fixed, it needs to be placed in a place that is not easily bumped into to prevent accidents;

4. Do not open the liquid bottle or vigorously shake the liquid in the bottle to ensure the normal operation of the lamp.

Lava lamps have appeared in many film and television works, such as "Doctor Who," "Prisoner," "Spy King," "Doctor Who and Dalek," and are one of the representative elements of hippie culture. In addition, it has also been associated with high technology, and the complex and unpredictable movement of wax droplets inside lava lamps has been used as a source of chaotic numbers and related patents have been applied for. Nowadays, lava lamps are still loved by many people and can be seen in some places and online.