Making frequency-hopping radios practical
The way in which radio spectrum is currently allocated to different wireless technologies can lead to gross inefficiencies. In some regions, for instance, the frequencies used by cellphones can be desperately ...
The brain as a model for future supercomputers
(Phys.org) —The brain's repute took a big hit in 1997 when an IBM supercomputer defeated world chess champion Gary Kasparov in a match reported around the world. But in the second round, the brain is back.
First X-class solar flare of 2013
(Phys.org) —On May 12, 2013, the sun emitted a significant solar flare, peaking at 10 p.m. EDT. This flare is classified as an X1.7, making it the first X-class flare of 2013. The flare was also associated ...
How to overcome the oxide barrier
(Phys.org) —Researchers at Pacific Northwest National Laboratory have uncovered the characteristics of a low-resistance electrical contact to strontium titanate, SrTiO3, an important prototypical oxide semi ...
Research on cilia heats up: Implications for hearing, vision loss and kidney disease
Experiments at Johns Hopkins have unearthed clues about which protein signaling molecules are allowed into hollow, hair-like "antennae," called cilia, that alert cells to critical changes in their environments.
Plants use underground networks to warn of enemy attack
Plants use underground fungal networks to warn their neighbours of aphid attack, UK scientists have discovered.
TV-over-Internet service hits Atlanta next month
Aereo, the startup that offers television stations over the Internet starting at $8 a month, says it will start service in Atlanta on June 17.
Plants 'talk' to plants to help them grow
Having a neighborly chat improves seed germination, finds research in BioMed Central's open access journal BMC Ecology. Even when other known means of communication, such as contact, chemical and light-mediated signal ...
Discovery alters understanding of long-distance intercellular communication
(Phys.org) —In a finding likely to fundamentally reshape biologists' understanding of how vertebrate cells communicate, researchers at the Stanford University School of Medicine and the UC-San Francisco ...
Chaos proves superior to order
An international team of physicists, including researchers from the Universities of York and St. Andrews, has demonstrated that chaos can beat order - at least as far as light storage is concerned.
Quantum strategies fail to improve capacity of quantum optical communication channels
New system interprets brain signals of people with disabilities, helps them to interact with their environment
The European R&D project BrainAble, led by Barcelona Digital and aimed at improving the autonomy of people with serious physical disabilities, has just successfully ended after three years of technological ...
Small in size, big on power: New microbatteries the most powerful yet
(Phys.org) —Though they be but little, they are fierce. The most powerful batteries on the planet are only a few millimeters in size, yet they pack such a punch that a driver could use a cellphone powered ...
'Tis the season—for plasma changes at Saturn
(Phys.org) —A University of Iowa undergraduate student has discovered that a process occurring in Saturn's magnetosphere is linked to the planet's seasons and changes with them, a finding that helps clarify ...