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Advance Brings 'Hyperbolic Metamaterials' Closer to Reality

Published: May 14, 2014.
Released by Purdue University  

WEST LAFAYETTE, Ind. - Researchers have taken a step toward practical applications for "hyperbolic metamaterials," ultra-thin crystalline films that could bring optical advances including powerful microscopes, quantum computers and high-performance solar cells. New developments are reminiscent of advances that ushered in silicon chip technology, said Alexandra Boltasseva, a Purdue University associate professor of electrical and computer engineering.

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Soluble Corn Fiber Can Help Young Women Build Bone, And Older Women Preserve Bone
WEST LAFAYETTE, Ind. -- Supplementing with soluble corn fiber at two critical times in a woman's life - adolescence and post-menopause - can help build and retain calcium in bone, according to new research from Purdue University.

Global Forecast Assesses Countries' Invasive Species Risk, Response Capacity
WEST LAFAYETTE, Ind. - A global forecast of how invasive species could travel and spread in the 21st century shows that areas in most critical need of proactive management strategies are those with high poverty levels, rich biodiversity and low historical levels of invasion. Invasive species - non-native animals, plants or microbes that spread quickly - can dramatically alter landscapes, ecosystems and human livelihoods, often with harmful consequences.

RetroScope Opens Doors to the Past in Smart Phone Investigations
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Study: Seawalls, Coastal Forests in Japan Help Reduce Tsunami Damage
WEST LAFAYETTE, Ind. - Researchers who analyzed a history of tsunamis along the Pacific coast of Japan's Tohoku region have learned that seawalls higher than 5 meters reduce damage and death, while coastal forests also play an important role in protecting the public. The analysis was performed by researchers at Tohoku University, Maryland Institute College of Art, the University of Michigan and Purdue University. The researchers studied data from tsunamis in 1896, 1933, 1960, and 2011.

Drink-seeking Rats Provide Sobering Look into Genetics of Alcoholism
WEST LAFAYETTE, Ind. - Alcohol-craving rats have provided researchers with a detailed look into the complicated genetic underpinnings of alcoholism. By comparing the genomes of rats that drank compulsively with those that abstained, Purdue and Indiana University researchers identified 930 genes associated with alcoholism, indicating that it is a highly complex trait - on par with human height - influenced by many genes and the environment.

Yeast Emerges as Hidden Third Partner in Lichen Symbiosis
WEST LAFAYETTE, Ind. - For nearly 150 years, lichens have been the model organisms of symbiosis. Now researchers have uncovered an unexpected third partner embedded in the lichen cortex or "skin" - yeast.

Rapid, Low-temperature Process Adds Weeks to Milk's Shelf Life
WEST LAFAYETTE, Ind. - A rapid heating and cooling of milk significantly reduces the amount of harmful bacteria present, extending by several weeks the shelf life of one of the most common refrigerator staples in the world, according to a Purdue University study.

Electron Spin Control: Levitated Nanodiamond Is Research Gem
WEST LAFAYETTE, Ind. - Researchers have demonstrated how to control the "electron spin" of a nanodiamond while it is levitated with lasers in a vacuum, an advance that could find applications in quantum information processing, sensors and studies into the fundamental physics of quantum mechanics.

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