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Here is your customized Phys.org Newsletter for week 13:
Ephemeral vacuum particles induce speed-of-light fluctuations
New research shows that the speed of light may not be fixed after all, but rather fluctuates.
Rare find backs shape-shifting neutrino
Physicists announced further proof Wednesday for a theory that mysterious particles called neutrinos which go "missing" on the journey from the Sun to Earth are in fact shape-shifting along the way, arriving undetected.
New type of solar structure cools buildings in full sunlight
(Phys.org) �A Stanford team has designed an entirely new form of cooling panel that works even when the sun is shining. Such a panel could vastly improve the daylight cooling of buildings, cars and other structures by radiating sunlight back into the chilly vacuum of space.
Scientists propose revolutionary laser system to produce the next LHC
An international team of physicists has proposed a revolutionary laser system, inspired by the telecommunications technology, to produce the next generation of particle accelerators, such as the Large Hadron Collider (LHC).
New discovery may allow scientists to make fuel from CO2 in the atmosphere
(Phys.org) �Excess carbon dioxide in the Earth's atmosphere created by the widespread burning of fossil fuels is the major driving force of global climate change, and researchers the world over are looking for new ways to generate power that leaves a smaller carbon footprint.
Phinergy demonstrates aluminum-air battery capable of fueling an electric vehicle for 1000 miles
(Phys.org) �Phinergy, an Israeli developer of metal-air energy systems, has demonstrated a new type of aluminum-air battery that is capable of providing enough energy to power an electric vehicle (EV) for up to 1000 miles at a time�with occasional stops to take on more water. The company claims they have developed new technology that prevents carbon dioxide from entering the system, which in the past, has led to breakdowns of the materials used in such batteries.
You don't 'own' your own genes: Researchers raise alarm about loss of individual 'genomic liberty' due to gene patents
Humans don't "own" their own genes, the cellular chemicals that define who they are and what diseases they might be at risk for. Through more than 40,000 patents on DNA molecules, companies have essentially claimed the entire human genome for profit, report two researchers who analyzed the patents on human DNA. Their study, published March 25 in the journal Genome Medicine, raises an alarm about the loss of individual "genomic liberty."
Better than X-rays: A more powerful terahertz imaging system
(Phys.org) �Low-energy terahertz radiation could potentially enable doctors to see deep into tissues without the damaging effects of X-rays, or allow security guards to identify chemicals in a package without opening it. But it's been difficult for engineers to make powerful enough systems to accomplish these promising applications.
Astronomers discover new kind of supernova
(Phys.org) �Supernovae were always thought to occur in two main varieties. But a team of astronomers including Carnegie's Wendy Freedman, Mark Phillips and Eric Persson is reporting the discovery of a new type of supernova called Type Iax.
Study shows how easy it is to determine someone's identity with cell phone data
(Phys.org) �While most people know that using a cell phone means that the phone's location is being recorded, a new study has revealed just how little information is required to determine an individual's personal identity. By analyzing 15 months of cell phone mobility data from 1.5 million people, researchers have found that only four spatio-temporal points (an individual's approximate whereabouts at the approximate time when they're using their cell phone) are all that's needed to uniquely identify 95% of the individuals. The study has implications for modifying privacy law in order to keep pace with technological advances.
Researchers find surprising similarities between genetic and computer codes
(Phys.org) �The term "survival of the fittest" refers to natural selection in biological systems, but Darwin's theory may apply more broadly than that. New research from the U.S. Department of Energy's Brookhaven National Laboratory shows that this evolutionary theory also applies to technological systems.
Wastewater injection spurred biggest earthquake yet, study finds
A new study in the journal Geology is the latest to tie a string of unusual earthquakes, in this case, in central Oklahoma, to the injection of wastewater deep underground. Researchers now say that the magnitude 5.7 earthquake near Prague, Okla., on Nov. 6, 2011, may also be the largest ever linked to wastewater injection. Felt as far off as Milwaukee, more than 800 miles away, the quake�the biggest ever recorded in Oklahoma�destroyed 14 homes, buckled a federal highway and left two people injured. Small earthquakes continue to be recorded in the area. The study appeared today in the journal's early online edition.
Simulations uncover obstacle to harnessing laser-driven fusion
(Phys.org) �A once-promising approach for using next-generation, ultra-intense lasers to help deliver commercially viable fusion energy has been brought into serious question by new experimental results and first-of-a-kind simulations of laser-plasma interaction.
Hybrid ribbons a gift for powerful batteries: Vanadium oxide - graphene material works well for lithium-ion storage
Hybrid ribbons of vanadium oxide (VO2) and graphene may accelerate the development of high-power lithium-ion batteries suitable for electric cars and other demanding applications.
Measuring the magnetism of antimatter: Researchers measure antiprotons more accurately than ever before
In a breakthrough that could one day yield important clues about the nature of matter itself, a team of Harvard scientists have succeeding in measuring the magnetic charge of single particles of matter and antimatter more accurately than ever before.
Is global warming causing harsher winters?
Millions of people in northern Europe are still battling snow and ice, wondering why they are being punished with bitter cold when�officially�spring has arrived and Earth is in the grip of global warming.
Researchers getting closer to growing a human heart
(Medical Xpress)�Researchers in Spain, led by doctor Francisco Fernandez-Aviles, are blazing a trail in bioengineering that could result, the Wall Street Journal reports, in human hearts, or parts of them, being grown in a lab and transplanted into live patients, within the next decade. It's all due to advances in technology that have seen organs such as bladders and windpipes grown and implanted into patients, replacing those that have been damaged due to disease.
Researchers build fiber cable capable of near light-in-vacuum throughput
(Phys.org) �A research team at the University of Southampton in England has built a fiber cable that is capable of carrying data at 99.7 percent of the vacuum-speed of light. They have done so, they report in their paper published in the journal Nature Photonics, by constructing a cable with a hollow core and special inner walls that prevent refraction.
Artificial muscle computer performs as a universal Turing machine
(Phys.org) �In 1936, Alan Turing showed that all computers are simply manifestations of an underlying logical architecture, no matter what materials they're made of. Although most of the computer's we're familiar with are made of silicon semiconductors, other computers have been made of DNA, light, legos, paper, and many other unconventional materials.
Engineers enable 'bulk' silicon to emit visible light for the first time
Electronic computing speeds are brushing up against limits imposed by the laws of physics. Photonic computing, where photons replace comparatively slow electrons in representing information, could surpass those limitations, but the components of such computers require semiconductors that can emit light.
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