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Central Pacific Railroad
Society: ASCEMain Category: CivilSub Category: Roads & RailsEra: 1860-1869DateCreated: 1863-1869Western AmericaOgdenState: UTCountry: USAWebsite: http://www.asce.org/project/central-pacific-railroad/Creator: Judah, Theodore , Crocker, Charles

Central Pacific Railroad served as the Western terminus of America's first transcontinental railroad, passing through the formidable Sierra Nevada Mountains. In all, 15 tunnels were blasted through solid granite. 

Thousands of Chinese from Kwantung Province were recruited by Central Pacific Railroad Company and became known for their diligence and hard work. In the second year of construction, nine out of ten workers on the CPRR were Chinese.

YearAdded:
1968
Image Credit: Courtesy Flickr/Jim Bowen (CC BY 2.0)Image Caption: Central Pacific RailroadEra_date_from: 1863
Stanford Linear Accelerator Center (SLAC)
Society: IEEEMain Category: ElectricalSub Category: Nuclear and Plasma SciencesEra: 1960-1969DateCreated: 1962Stanford Linear AcceleratorPortola ValleyState: CAZip: 94028Country: USAWebsite: http://www.ieeeghn.org/wiki/index.php/Milestones:Stanford_Linear_Accelerator_Center,_1962Creator: Stanford University

The basic research tool at SLAC is an intense beam of electrons that have been accelerated by an electric field equivalent to 30 billion volts, making this the most powerful electron beam in the world.

The two-mile linear accelerator produces this field using high-power microwaves traveling through an evacuated waveguide. Electrons injected into one end of this pipe are continuously accelerated by this traveling field to very high energies.

YearAdded:
1984
Image Credit: Courtesy Wikipedia/Jvimal (CC BY 3.0)Image Caption: Stanford Linear Accelerator Center (SLAC)Era_date_from: 1962
Stanford Linear Accelerator Center
Society: ASMEMain Category: MechanicalSub Category: Research and DevelopmentEra: 1960-1969DateCreated: 1962Stanford Linear AcceleratorMenlo ParkState: CAZip: 94028Country: USAWebsite: http://www.asme.org/about-asme/history/landmarks/topics-m-z/research-and-development/-92-stanford-linear-accelerator-center-%281962%29, https://www.asme.org/getmedia/f8e54d6f-6e0d-4f7d-ad3a-ff357142f07b/92-Stanford-Linear-Accelerator-Center-1962.aspxCreator: Stanford University

The Stanford Linear Accelerator Center was renamed in 2009 to the SLAC National Accelerator Laboratory.

Notable for: unique electromechanical devices and systems in the longest accelerator in the world

YearAdded:
1984
Image Credit: Courtesy Flickr/Jeff Keyser (CC BY-SA 2.0)Image Caption: Stanford Linear Accelerator CenterEra_date_from: 1962
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