Plug the power cord on the AC power supply into the DC connector on the back of the speaker. Plug the AC power supply into a live AC (mains) outlet. The speaker emits a tone to confirm connection to AC power, and charging begins. On the front of the speaker, the battery status indicator blinks yellow to show the battery is charging.
This Landsat satellite image shows Bering Glacier in Alaska, the largest glacier in North America. Although the glacier has been retreating and thinning recently, it still surges about every 20 years or so. âCredit: NASA image by Robert Simmon, based on data provided by the Landsat 7 Science Team.
As many as 40 glaciers flow from the Harding Icefield, which is located in the Kenai Mountains of Alaska. The icefield receives more than 400 inches of snow each year, and is one of only four icefields in the United States. âCredit: Photographer unknown. 1979. Courtesy United States Government.