Solvents are commonly rendered anhydrous by boiling them in the presence of a hygroscopic substance; metallic sodium is one of the most common metals used. Other methods include the addition of molecular sieves or alkali bases such as potassium hydroxide or barium oxide.
Google Map of 2017 Total Eclipse in Georgia. Google Map of 2017 Total Eclipse in Georgia. (Click to use interactive map) The map above links to an interactive Google map showing the visibility of the Total Solar Eclipse of 2017 Aug 21 in Georgia.
The last time most Americans experienced a total solar eclipse was 1991. In 2017, over 500 million people will be able to observe the August 21, 2017 total solar eclipse, in partial or total form: 391 million in the U.S., 35 million in Canada, and 119 million in Mexico (plus Central America and parts of South America and northwestern Europe) .