New findings could overcome major stumbling blocks to tissue cryopreservation for medical care
Developing an efficient way to freeze and store living tissues could transform many aspects of medical care and research, but ice crystallization often occurs within cells during such cryopreservation procedures, ...
New connection between stacked solar cells can handle energy of 70,000 suns
(Phys.org) —North Carolina State University researchers have come up with a new technique for improving the connections between stacked solar cells, which should improve the overall efficiency of solar ...
Chemical engineers' research may lead to inexpensive, flexible solar cells (w/ Video)
(Phys.org) —Work by a team of chemical engineers at Penn State and Rice University may lead to a new class of inexpensive organic solar cells.
GPM spreads its wings in solar array deployment test
(Phys.org) —NASA successfully completed two pre-vibration solar array deployment tests of the Global Precipitation Measurement satellite on June 6 and June 15, 2013.
Danish chemists in molecular chip breakthrough
Electronic components built from single molecules using chemical synthesis could pave the way for smaller, faster and more green and sustainable electronic devices. Now for the first time, a transistor made ...
A new kind of chemical 'glue'
Over the past three decades, researchers have found various applications of a method for attaching molecules to gold; the approach uses chemicals called thiols to bind the materials together. But while this ...
Black silicon solar cells with record 18.7% efficiency
Scientists at Aalto University, Finland and Fraunhofer ISE, Germany report an efficiency of 18.7% for black silicon solar cells, the highest efficiency reported so far for a black silicon solar cell.
Even graphene has weak spots: Theorists find junctions in polycrystalline graphene sap its strength
(Phys.org) —Graphene, the single-atom-thick form of carbon, has become famous for its extraordinary strength. But less-than-perfect sheets of the material show unexpected weakness, according to researchers ...
Researchers build SQUID device that demonstrates the Josephson effect
Superconductors that work by themselves: Scientists discover new possibilities in chryoelectronics
(Phys.org)—Scientists from the University of Tübingen, working with colleagues from Tel Aviv University and the Kiel University have proposed  and experimentally demonstrated  a new type of superconducting element ...
Self-assembled monolayers create p-n junctions in graphene films
Researchers are creating graphene p-n junctions by transferring films of the electronic material to substrates that have been patterned by compounds that are either strong electron donors or electron acceptors.
Data storage: Electrically enhanced recall
Random-access memory (RAM) is a fast electronic device used in computers to temporarily store data. Traditional RAM is based on the flow of electrical current for data processing. To make RAM faster, more ...
Millimeter-wave oscillation by ferromagnetic nanocontact device
Researchers have demonstrated theoretically that oscillation of 5–140 GHz is possible by supplying direct current to a ferromagnetic nanocontact device.
Researchers achieve greater precision in measuring the movement of microscopic magnets
At microscopic scales, magnetic materials are full of structure. Tiny magnets, called domains, order themselves in ways that control the magnetic properties of the bulk material. Technologies such as hard ...