In order to make it easier to describe elements and molecules, chemical formulas are used. For example, H represents one atom of hydrogen and O represents one atom of oxygen. If we want to represent two atoms of hydrogen, instead of writing H H, we write H2.
This car is named for Promontory Summit, Utah, just north of Great Salt Lake and the site selected for the joining of the Union Pacific and Central Pacific Railroads. Completion of the railroadâthe greatest engineering feat of the 19th centuryâculminated in a celebration there on May 10, 1869. Promontory Point, often erroneously referred to as the location for the ceremony, juts out into the lake itself. It was the location of a saltworks for many years.
The KÄ«lauea Lighthouse. Known today as the Daniel K. Inouye KÄ«lauea Point Lighthouse, this impressive 52 foot structure is situated on a rocky peninsula 180 feet above the Pacific Ocean. Built in the historic era of lighthouses in the U.S., it was commissioned as the KÄ«lauea Point Light Station on May 1, 1913. One hundred years later on May 1, 2013 it was dedicated to U.S. Senator Inouye who was instrumental in raising the private and public funds necessary for the restoration of the lighthouse.