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July 24, 2013
If you've ever heard the thunderous sound of a sonic boom, you've experienced the shock waves in the air created by an object traveling faster than the speed of sound. 
But what happens when an object travels faster than the speed of light?
At Jefferson Laboratory, construction is underway to upgrade the Continuous Electron Beam Accelerator Facility (CEBAF) and the CEABF Large Acceptance Spectrometer (CLAS12) at Hall B. During the experiments, the accelerator will shoot electrons at speeds faster than the speed at which light travels in the same medium, creating shock waves that emit a blue light, known as Cherenkov light -- this light is equivalent to the sonic boom. By recording data from Cherenkov light, scientists will be able to map a nucleon's three-dimensional spin. 
The device will use 48 ellipsoidal mirrors assembled into one circular, 8-foot diameter mirror to capture this light. Pictured here is the web-like component that will support the mirrors in the accelerator itself. | Photo courtesy of Jefferson Laboratory.
Photo of the Week: Faster than the Speed of Light

Check out our favorite energy-related photos!

June 21, 2013
EIS-0481: Notice of Intent to Prepare a Programmatic Environmental Impact Statement

Engineered High Energy Crop Programs Programmatic Environmental Impact Statement

June 17, 2013
Harnessing the Power of the Sun, Solar Impulse Plane Lands in DC Area

Today, Secretary Moniz spoke at an event welcoming the arrival of the solar-powered Solar Impulse plane at Dulles International Airport near Washington, D.C.

May 10, 2013
Energy efficient upgrades helped Margie Garmey save money while reducing her impact on the planet. | Photo courtesy of Margie Garmey.
Energy Efficiency Upgrades: Benefiting Homeowners and the Environment

Learn how energy efficiency upgrades are helping a homeowner improve her home's comfort and reduce her impact on the environment.

April 15, 2013
The development of clean, affordable nuclear power options is a key element of the Energy Department's Nuclear Energy Research and Development Roadmap. As a part of this strategy, a high priority of the Department has been to help accelerate the timelines for the commercialization and deployment of small modular reactor (SMR) technologies through the SMR Licensing Technical Support program. | Photo by the Energy Department.
Expanding Options for Nuclear Power

Investments in Small Modular Reactors are helping to support safe, efficient nuclear technologies across America.

March 25, 2013
2013 Annual Planning Summary for the Thomas Jefferson Site Office

The ongoing and projected Environmental Assessments and Environmental Impact Statements for 2013 and 2014 within the Thomas Jefferson Site Office. The Thomas Jefferson Site Office's APS was consolidated within the Office of Science's APS available here.

December 6, 2012
CX-009755: Categorical Exclusion Determination

Mid-Atlantic Regional Infrastructure Development Project
CX(s) Applied: B5.22
Date: 12/06/2012
Location(s): Virginia
Offices(s): National Energy Technology Laboratory

September 24, 2012
EA-1942: Notice of Intent of to Prepare an Environmental Assessment

Cove Point Liquefaction Project, Lusby, MD

August 20, 2012
Diversity and Inclusion Related Documents

The Office of Diversity and Inclusion fosters a diverse and inclusive work environment that ensures equality of opportunity for applicants and employees through Departmental diversity policy development, workforce analysis, outreach, retention, and education. 

August 16, 2012
Dr. Martin Luther King Jr. Birthday Celebration

Today, Dr. King is memorialized on the National Mall where he once spoke, a symbol of how far our Nation has come and a testament to the quiet heroes whose names may never appear in history books, but whose selflessness brought about change few thought possible.  Dr. King's memorial reminds us that while the work of realizing his remarkable dream is unending, with persistence, progress is within our reach.