Toward more efficient wireless power delivery
In 2007, MIT researchers announced that they had discovered a novel way of transmitting electricity without the use of wires. Now, the researchers have demonstrated that the system?s efficiency at transmitting ...
Squeezing light into metals: Team controls conductivity with inkjet printer
Using an inexpensive inkjet printer, University of Utah electrical engineers produced microscopic structures that use light in metals to carry information. This new technique, which controls electrical conductivity ...
Sony Develops Wireless Chip Connections
Scientists discover mechanism behind superinsulation
(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Argonne National Laboratory have discovered the microscopic mechanism behind the phenomenon of superinsulation, the ability of certain materials ...
Georgia Tech researchers propose terabit level graphene antenna
Breakthrough in race to create 'bio-batteries'
(Phys.org) —Scientists at the University of East Anglia have made an important breakthrough in the quest to generate clean electricity from bacteria.
'Dark plasmons' transmit energy
Microscopic channels of gold nanoparticles have the ability to transmit electromagnetic energy that starts as light and propagates via "dark plasmons," according to researchers at Rice University.
Wireless power transfer achieved at five-meter distance
The way electronic devices receive their power has changed tremendously over the past few decades, from wired to non-wired. Users today enjoy all kinds of wireless electronic gadgets including cell phones, ...
Cobalt replacements make solar cells more sustainable
Researchers at the University of Basel have successfully replaced the rare element iodine in copper-based dye-sensitized solar cells by the more abundant element cobalt, taking a step forward in the development ...
Artificial photosynthesis system gets efficiency boost from graphene
Scientists unlock mystery in photosynthesis step
(PhysOrg.com) -- An international team of scientists, including two from Arizona State University, have taken a significant step closer to unlocking the secrets of photosynthesis, and possibly to cleaner fuels.
Artificially structured metamaterials may boost wireless power transfer
Scientists calculate that a "perfect lens," a slab of artificial material engineered to focus electromagnetic fields in ways that natural materials can't, may increase the efficiency of some wireless power transfer systems.
Analysis probes charge transfer in porous battery electrodes for the first time
The electrochemical reactions inside the porous electrodes of batteries and fuel cells have been described by theorists, but never measured directly. Now, a team at MIT has figured out a way to measure the ...
Study reveals new factor that could limit the life of hybrid and electric car batteries
(Phys.org)—A new study of the batteries commonly used in hybrid and electric-only cars has revealed an unexpected factor that could limit the performance of batteries currently on the road.