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Using data from the world's most powerful X-ray laser at the Department of Energy's SLAC National Accelerator Laboratory, an international team of scientists has made a crucial advance in analyzing ultrafast motions of molecules. They developed a computational method that increases the accuracy of this analysis 300 times -- to one femtosecond, which is a millionth of a billionth of a second.

Researchers at the Department of Energy's SLAC National Accelerator Laboratory are working with a major manufacturer to make klystrons -- big vacuum tubes that generate microwaves for accelerating particles -- much more energy efficient.

Lawrence Livermore National Laboratory material scientists have found that 3-D printed foam works better than standard cellular materials in terms of durability and long-term mechanical performance.

Creating the batteries or electronics of the future requires understanding materials that are just a few atoms thick and that change their fundamental physical properties in fractions of a second. Cutting-edge facilities at the Department of Energy's SLAC National Accelerator Laboratory and Stanford University have allowed researchers like Aaron Lindenberg to visualize properties of these nanoscale materials at ultrafast time scales.

Americans used less energy overall in 2015 than the previous year, according to the most recent energy flow charts released by Lawrence Livermore National Laboratory.

Conditions in the vast universe can be quite extreme: Violent collisions scar the surfaces of planets. Nuclear reactions in bright stars generate tremendous amounts of energy. Gigantic explosions catapult matter far out into space. But how exactly do processes like these unfold? What do they tell us about the universe? To find out, researchers from the Department of Energy's SLAC National Accelerator Laboratory perform sophisticated experiments and computer simulations that recreate violent cosmic conditions on a small scale in the lab.

Many bacteria interact with their environment through hair-like structures known as pili, which attach to and help mediate infection of host organisms, among other things. Now a US-Japanese research team, including scientists from the Department of Energy's SLAC National Accelerator Laboratory, has discovered that certain bacteria prevalent in the human gut and mouth assemble their pili in a previously unknown way -- information that could potentially open up new ways of fighting infection.