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December 5, 2013
Researchers at Berkeley Lab helped develop the first energy-efficient dual-paned windows, now used in buildings and homes worldwide for billions of dollars in energy savings. Current windows research in the Environmental Energy Technologies Division at Berkeley Lab is aimed at developing new glazing materials, windows simulation software and other advanced high-performance window systems. The building shown here, located at Berkeley Lab, is a windows testing facility. | Photo courtesy of Roy Kaltschmidt, Lawrence Berkeley National Laboratory.
Photo of the Week: The First Energy-Efficient Dual-Paned Windows

Check out our favorite energy-related photos!

December 4, 2013
In the photo above, a robot investigates a bomb threat at an arcade during the 2013 Robot Rodeo at Sandia Labs. The operators are not allowed to turn on the lights or turn off the machines, complicating the operation. | Photo by Randy Montoya, Sandia National Laboratories.
Special Feature: National Security & Public Safety at the National Labs

This month on energy.gov, learn how the National Labs are advancing the national security and public safety interests of the United States.

December 2, 2013
Recap: Energy Efficiency at the National Labs

Learn how the Energy Department's National Labs are helping consumers and businesses save energy and money.

November 27, 2013
Energy Deputy Secretary Daniel Poneman speaks at the Clemson University Wind Turbine Drivetrain Testing Facility dedication in South Carolina. | Photo courtesy of Clemson University
Two Facilities, One Goal: Advancing America’s Wind Industry

Two state-of-the-art wind turbine drivetrain test facilities are now open for business: the Clemson University Wind Turbine Drivetrain Testing Facility in South Carolina and a National Renewable Energy Laboratory dynamometer at the National Wind Technology Center in Colorado.

November 26, 2013
Thanks to the Energy Department, Delaware-based Brandywine CAD Design was able to breathe new life into a local historic building while saving on its energy costs. | Photo courtesy of Brandywine CAD Design.
Delaware Company Breathes New Life into Old Post Office Building

Learn how the Energy Department helped a Delaware company revitalize a historic building while cutting energy consumption.

November 25, 2013
Electricity pioneer Charles Proteus Steinmetz (center in light-colored suit) poses with Albert Einstein (immediate left) and other inventors at the RCA Brunswick, New Jersey, wireless station in 1921. | Photo courtesy of Franklin Township Public Library Archive.
Beyond Tesla and Edison: Other Luminaries from the Age of Electricity

From electric chairs to machine guns to Gila monsters, learn more about the great minds and eccentric characters who were contemporaries of Edison and Tesla in the early days of electricity.

November 25, 2013
Save time and money on your next road trip with our top three driving tools. | Photo courtesy of iStockphoto.com/gioadventures.
Top 3 Driving Tools That Will Help Save You Money at the Pump

Save time and money on your next road trip with these top three interactive driving tools.

November 22, 2013
Edison vs. Tesla: Toasting a Rivalry That Drove Innovation

Test your knowledge of energy inventors Thomas Edison and Nikola Tesla with our downloadable "Who Said It?" quote quiz cards.

November 22, 2013
<div class="field field-name-field-map-byline field-type-text-with-summary field-label-hidden"><div class="field-items"><div  class="field-item odd">Read more about the <a href="http://energy.gov/articles/history-light-bulb">History of the Light Bulb</a>.</div></div></div>
The History of the Light Bulb

From incandescent bulbs to fluorescents to LEDs, we're exploring the long history of the light bulb.

November 21, 2013
This week, the Energy Department's digital team has been focusing on the rivalry between two of history's most important energy-related engineers: Thomas Edison and Nikola Tesla. Edison and Tesla's developments in electric power generation and distribution made possible many later breakthroughs. This 1951 photo shows a simple string of four 100-watt light bulbs powered by the first useful electricity ever produced by nuclear power, generated on December 20, 1951, by Argonne's Experimental Breeder Reactor 1. | Photo courtesy of Argonne National Laboratory.
Photo of the Week: Bright Ideas

Check out our favorite energy-related photos!