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51 Current news of UCSD
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'Lossless' metamaterial could boost efficiency of lasers and other light-based devices
20-Feb-2017
Engineers at the University of California San Diego have developed a material that could reduce signal losses in photonic devices. The advance has the potential to boost the efficiency of various light-based technologies including fiber optic communication systems, lasers and photovoltaics. The ...
Thin, flexible, light-absorbent material for energy and stealth applications
02-Feb-2017
Transparent window coatings that keep buildings and cars cool on sunny days. Devices that could more than triple solar cell efficiencies. Thin, lightweight shields that block thermal detection. These are potential applications for a thin, flexible, light-absorbing material developed by engineers ...
Using acoustic waves to move fluids at the nanoscale
17-Nov-2016
A team of mechanical engineers at the University of California San Diego has successfully used acoustic waves to move fluids through small channels at the nanoscale. The breakthrough is a first step toward the manufacturing of small, portable devices that could be used for drug discovery and ...
Semiconductor-free microelectronics are now possible, thanks to metamaterials
09-Nov-2016
Engineers at the University of California San Diego have fabricated the first semiconductor-free, optically-controlled microelectronic device. Using metamaterials, engineers were able to build a microscale device that shows a 1,000 percent increase in conductivity when activated by low voltage ...
Metamaterial uses light to control its motion
12-Oct-2016
Researchers have designed a device that uses light to manipulate its mechanical properties. The device, which was fabricated using a plasmomechanical metamaterial, operates through a unique mechanism that couples its optical and mechanical resonances, enabling it to oscillate indefinitely using ...
Researchers improve performance of cathode material by controlling oxygen activity
08-Jul-2016
An international team of researchers has demonstrated a new way to increase the robustness and energy storage capability of a particular class of "lithium-rich" cathode materials -- by using a carbon dioxide-based gas mixture to create oxygen vacancies at the material's surface. Researchers said ...
X-ray snapshot of butterfly wings reveals underlying physics of color
14-Jun-2016
A team of physicists that visualized the internal nanostructure of an intact butterfly wing has discovered two physical attributes that make those structures so bright and colorful. "Over millions of years, butterflies have evolved sophisticated cellular mechanisms to grow brightly colored ...
Seeing where energy goes may bring scientists closer to realizing nuclear fusion
19-Jan-2016
An international team of researchers has taken a step toward achieving controlled nuclear fusion--a process that powers the Sun and other stars, and has the potential to supply the world with limitless, clean energy. The team, led by scientists and engineers at the University of California, San ...
These microscopic fish are 3-D-printed to do more than swim
27-Aug-2015
Nanoengineers at the University of California, San Diego used a 3D printing technology they developed to manufacture multipurpose fish-shaped microrobots that swim around efficiently in liquids, are chemically powered by hydrogen peroxide and magnetically controlled. These proof-of-concept ...
Fabricating inexpensive, high-temp SQUIDs for future electronic devices
24-Jun-2015
High-transition-temperature superconductivity within copper-oxide materials was discovered in 1986, and quickly set into motion an intense research effort by scientists and engineers around the globe to develop superconducting electronics capable of operating at and above liquid nitrogen ...
