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Here is your customized PHYSorg.com Newsletter for week 21:
Quantum leap: World's smallest transistor built with just 7 atoms
(PhysOrg.com) -- Scientists have literally taken a leap into a new era of computing power by making the world's smallest precision-built transistor - a "quantum dot" of just seven atoms in a single silicon crystal. Despite its incredibly tiny size - a mere four billionths of a metre long - the quantum dot is a functioning electronic device, the world's first created deliberately by placing individual atoms.
Japan plans to build robot moon base by 2020
(PhysOrg.com) -- Believing that a moon base is essential for exploration of the solar system, Japan has recently announced plans to send humanoid robots to the moon to construct a robot lunar base. As part of the $2.2 billion project, the robots will begin surveying the moon around 2015, and then build the unmanned base near the moon's South Pole by 2020.
Electric vehicle travels record-breaking 623 miles on a single charge
(PhysOrg.com) -- The Japan Electric Vehicle Club broke its own Guinness World Record last weekend by driving an electric vehicle for a distance of 623.76 miles (1,003 kilometers) without recharging. The new distance record nearly doubles the old record of 345 miles (555.6 kilometers) that was set last November.
Japanese team discovers 'super disc' material
A Japanese research team has found a material that could be used to make a low-price super disc with data storage capacity thousands of times greater than a DVD, the lead scientist said Monday.
USAF vehicle breaks record for hypersonic flight
An experimental aircraft has set a record for hypersonic flight, flying more than 3 minutes at Mach 6 - six times the speed of sound.
Can bacteria make you smarter?
Exposure to specific bacteria in the environment, already believed to have antidepressant qualities, could increase learning behavior according to research presented today at the 110th General Meeting of the American Society for Microbiology in San Diego.
Arizona man is first to go home with a total artificial heart
(PhysOrg.com) -- An Arizona man has left hospital with a completely artificial heart beating in his chest. Father of three Charles Okeke, 43, from Phoenix is the first person to leave hospital with a Total Artificial Heart keeping him alive until he receives a donor heart.
Scientists detect huge carbon 'burp' that helped end last ice age
(PhysOrg.com) -- Scientists have found the possible source of a huge carbon dioxide 'burp' that happened some 18,000 years ago and which helped to end the last ice age.
Europa's Churn Leads to Oxygen Burn
Jupiter's moon Europa has a salty ocean, and scientists have long wondered if life could be found there. One scientist says Europa also has enough oxygen to support an ocean teeming with life.
Scientists prove even the thought of money spoils enjoyment
(PhysOrg.com) -- The idea that money does not buy happiness has been around for centuries, but now scientists have proven for the first time that even the thought of money reduces satisfaction in the simple pleasures of life.
Physicists build quantum amplifier with single artificial atom
(PhysOrg.com) -- By demonstrating how a single artificial atom can be used to amplify electromagnetic waves, physicists from Japan are opening up new possibilities for quantum amplifiers, which can be used in a variety of electronic and optical applications.
Fujitsu Supercomputer Achieves World Record in Computational Quantum Chemistry
Fujitsu and Chuo University of Japan today announced that a team of researchers employed the T2K Open Supercomputer - which was delivered by Fujitsu to Kyoto University's Academic Center for Computing and Media Studies - to successfully compute with high precision, as a world first, an optimization problem to reveal the molecular behavior of ethane (CH3 only), ammonia (NH3) and oxygen (O2).
Researchers analyze performance of first updatable holographic 3D display
(PhysOrg.com) -- In 2008, researchers from the University of Arizona created a holographic 3D display that could write and erase images, making it the first updatable (or rewritable) holographic 3D display ever demonstrated. The key to the display was a photorefractive polymer material, which enabled the researchers to take advantage of the potential of holography to a greater extent than previously allowed. Now, in a follow-up study, the researchers have reported the results of their analysis on the performance of the display, including how the polymer enables display enhancements and what more needs to be done before such displays can be widely used.
Researcher finds surprising link between sugar in drinks and blood pressure
Research led by Liwei Chen, MD, PhD, Assistant Professor of Public Health at LSU Health Sciences Center New Orleans, has found that there is an association between sugary drinks and blood pressure and that by cutting daily consumption of sugary drinks by just one serving a day, people can lower their blood pressure. The research is published online in Circulation: Journal of the American Heart Association.
Superconductivity breakthrough could lead to more cost effective technologies
Researchers from the Universities of Liverpool and Durham have fitted another piece into the superconductivity puzzle that could help in the quest to bring down the cost of technologies such as MRI scanners and some energy storage applications that rely on superconductors. The result is published online in the journal Nature (19th May 2010).
Blocking tumor's 'death switch' paradoxically stops tumor growth
Every cell contains machinery for self-destruction, used to induce death when damaged or sick. But according to a new research study, a receptor thought to mediate cell suicide in normal cells may actually be responsible for the unrestrained growth of cancerous tumors.
Radioactive isotope of tin confirmed to have doubly magic nucleus
(PhysOrg.com) -- Scientists in the U.S. and U.K. have demonstrated that the short-lived radioactive and neutron-rich isotope tin-132 has a doubly magic nucleus.
Planetary scientists solve 40-year-old mysteries of Mars' northern ice cap
Scientists have reconstructed the formation of two curious features in the northern ice cap of Mars—a chasm larger than the Grand Canyon and a series of spiral troughs—solving a pair of mysteries dating back four decades while finding new evidence of climate change on Mars.
German physicists develop a quantum interface between light and atoms
German hysicists at the Johannes Gutenberg University Mainz have developed a quantum interface which connects light particles and atoms.
'Stress' protein could halt aging process, say scientists
HSP10 (Heat Shock Protein), helps monitor and organise protein interactions in the body, and responds to environmental stresses, such as exercise and infection, by increasing its production inside cells. Researchers at Liverpool, in collaboration with colleagues at the University of California, found that excessive amounts of HSP10 inside mitochondria - 'organs' that act as energy generators in cells - can halt the body's ageing process by preserving muscle strength.
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