Read more about the bubble curtain, which was installed on May 12, that creates a barrier of bubbles in the water column across the west channel between the Tahoe Keys lagoons and Lake Tahoe. The device has been used in other locations around the world to prevent debris from moving through an area, but this is the first time the technology has been used to prevent the spread of aquatic invasive plants and is the first time being used at Lake Tahoe.