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At left, a tiny bead struck by a laser (at the yellowish spot shown at the top of the image) produces optical modes that circulate around the interior of the bead (pinkish ring). At right, a simulation of how the optical field inside a 5-micron (5 millionths of a meter) bead is distributed. (Credit: Angel Fernandez-Bravo/Berkeley Lab, Kaiyuan Yao)

Continuously emitting microlasers with nanoparticle-coated beads

Now it is possible to convert nanoparticle-coated microscopic beads into lasers, thanks to the new technique demonstrated by Berkeley scientists. The technique opens up...
Valleytronics utilizes different local energy extrema (valleys) with selection rules to store 0s and 1s. In SnS, these extrema have different shapes and responses to different polarizations of light, allowing the 0s and 1s to be directly recognized. This schematic illustrates the variation of electron energy in different states, represented by curved surfaces in space. The two valleys of the curved surface are shown.

Valleytronics discovery could help extend limits of Moore’s law

A new study by the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) and Shuren Lin of UC Berkeley’s Department of Materials Science and...
A molecular model of a peptoid nanosheet shows loop structures in sugars (orange) that bind to the Shiga toxin (shown as a five-color bound structure at upper right). (Credit: Berkeley Lab)

New sugar-coated nanosheets to selectively target pathogens

A team led by scientists at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a process for creating ultrathin,...
These schematics show the printing of water in oil using a nanoparticle supersoap. Gold nanoparticles in the water combine with polymer ligands in the oil to form an elastic film (nanoparticle supersoap) at the interface, locking the structure in place. (Credit: Berkeley Lab)

Scientists print all-liquid 3D structures

Researchers from the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have built up an approach to print 3D structures made completely out...
ash tray, cigarrate

Exposure to thirdhand smoke increases lung cancer risk

According to a recent study by the Department of Energy’s Lawrence Berkeley National Laboratory, brief exposure to thirdhand smoke is associated with low body weight...
In the middle and right images, produced using an X-ray technique at Berkeley Lab, there is a clear contrast in an exploration of the manganese chemistry in a battery electrode material. Another technique, known as sXAS (graph at left) does not reveal the same level of contrast

Scientists confirm century-old speculation on the chemistry of a high-performance battery

The study conducted by the researchers at Natron Energy, a Palo Alto, California-based battery technology company along with the researchers at Berkeley Lab and New...
Invisibility Cloak

Ultrathin Invisibility Cloak makes 3D Objects Disappear

Objects are apparent to us because a small cut of light that strike them is spread in the direction of our retinas. Invisibility cloak...