| 摘要 |
A device for creating a visual display including a base, a container supported by the base and holding light transmitting liquids, and a light source disposed in the base, a pump mounted to the base and in fluid communication with the container; at least two immiscible liquids disposed in the container, the liquids having different densities; and a control circuit coupled to the pump to provide signals that cause the pump to inject a first one of the at least two immiscible liquids into a second one of the at least two liquids to produce a visual display.
|
