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Search results for “Mechanics”

1,000+ results for "Mechanics"

New microscopy technique reveals mechanics of blood cell membranes

Researchers developed a novel microscopy technique that reveals the mechanics of blood cell membranes, leading to a better understanding of deformability and its relation to morphology. This discovery has important implications for screening and treatment of blood-cell-morphology diseases such as malaria and sickle-cell disease.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·DateApr 28, 2010

Random, but not by chance

Researchers have developed a new, certifiably random number generator using fundamental principles of quantum mechanics. This method ensures private randomness, crucial for secure data encryption and communication, making it difficult to predict the sequence of numbers.

SourceUniversity of Maryland·JournalNature·DateApr 14, 2010

Can we detect quantum behavior in viruses?

A German-Spanish research group has developed an experiment to test for quantum properties in objects composed of one billion atoms, including the flu virus. This technique could potentially allow researchers to study life and consciousness in the context of quantum mechanics.

SourceIOP Publishing·JournalNew Journal of Physics·DateMar 11, 2010

UA scientists discover quantum fingerprints of chaos

Researchers at the University of Arizona have performed experiments that show classical chaos exists in the quantum world, revealing new signatures of chaos and entanglement. The team manipulated individual laser-cooled cesium atoms to mimic a textbook example of chaos, demonstrating dynamic stability and erratic behavior.

SourceUniversity of Arizona·JournalNature·DateOct 7, 2009

Q is for quantum and 'Q-life'

Researchers discuss how physics is changing our understanding of cells, brain function, and the potential role of quantum mechanics in biology. Paul Davies suggests that fundamental quantum processes could be key to understanding life's origins.

SourceIOP Publishing·JournalPhysics World·DateJul 7, 2009

Researchers unite to distribute quantum keys

The network, built by 41 organizations, allows for secure transmission of data beyond classical methods using quantum cryptography. The researchers achieved a record-breaking transmission capacity of up to 8 nodes with links ranging from 20 to 83 kilometers.

SourceIOP Publishing·JournalNew Journal of Physics·DateJul 2, 2009

Bioengineers develop a microfabricated device to measure cellular forces during tissue development

Researchers have created a tiny micron-sized device that allows them to measure and manipulate cellular forces as cells reorganize into tissues. This discovery has significant implications for the study of tissue mechanics and its role in coordinating cell signaling, gene expression, and behavior.

SourceUniversity of Pennsylvania·JournalProceedings of the National Academy of Sciences·DateJun 22, 2009

Evidence of macroscopic quantum tunneling detected in nanowires

A team of researchers at the University of Illinois has demonstrated macroscopic quantum tunneling in ultrathin superconducting nanowires. They observed a process called quantum phase slip, where packs of electrons tunnel together from higher to lower current states. This finding provides evidence that quantum mechanics governs large s...

Liquid lens creates tiny flexible laser on a chip

Researchers create Liquid-Gradient Refractive Index (L-GRIN) lenses using water and calcium chloride, enabling precise control over light direction. These fluidic lenses can be fabricated on chips and have potential applications in optical tweezers and medical imaging.

SourcePenn State·JournalLab on a Chip·DateMay 11, 2009

Quantum link to memory

Researchers are investigating whether mathematical similarities between word associations and quantum theory could lead to new models of how humans process words and meaning. The study aims to gain an understanding of the intriguing connections between cognitive science and quantum theory.

Quantum ghosts are helpful

Physicists at University of Bristol and Imperial College London develop new method using 'spooky action' to identify quantum black boxes, overcoming fundamental limitations. This breakthrough has significant implications for future quantum computing and information science.

SourceUniversity of Bristol·JournalPhysical Review Letters·DateApr 27, 2009

Nanoscale materials grow with the flow

Researchers discovered that nanoscale lead atoms on silicon exhibit a fluid-like motion, enabling the formation of uniform-height islands in minutes. The unique behavior suggests that quantum mechanics governs the growth process, allowing for rapid self-assembly and potentially simplifying material properties manipulation.

SourceDOE/Ames National Laboratory·JournalPhysical Review Letters·DateFeb 11, 2009

Sports technology for para-athletes: Closing the gap

Recent sports technology advancements aim to bridge the gap between able-bodied athletes and para-athletes. Prosthetic innovations like carbon blades have shown significant advantages in sprinting mechanics data, allowing double transtibial amputees to deliver comparable performance levels with lower metabolic costs.

SourceWiley·JournalSports Technology·DateJan 30, 2009

MIT researchers explain mystery of gravity fingers

Researchers at MIT have found an elegant solution to the mystery of gravity fingers, explaining how water forms finger-like paths as it flows through soil. The solution, which involves incorporating surface tension into mathematical models, has wide-ranging implications for science and engineering applications.

Toward plastic spin transistors

Researchers successfully controlled an electrical current using the 'spin' within electrons, a step toward building plastic semiconductor switches. However, highly efficient organic LEDs may only convert up to 25 percent of electricity into light, contrary to earlier estimates.

SourceUniversity of Utah·JournalNature Materials·DateAug 17, 2008

True properties of carbon nanotubes measured

Carbon nanotubes' true mechanical properties have been measured by Northwestern University researchers using a novel nanoscale material testing system. The results match quantum mechanics predictions and reveal that irradiation can strengthen the structure by forming bonds between shells of the tube.

SourceNorthwestern University·JournalNature Nanotechnology·DateAug 15, 2008

Quantum chaos unveiled?

A University of Utah study demonstrates fundamental new property – chaotic behavior in a quantum system – in frozen xenon nuclei, challenging conventional understanding. The findings provide new insights into the relationship between chaos theory and quantum mechanics.

SourceUniversity of Utah·JournalPhysical Review Letters·DateAug 6, 2008

Princeton scientists spy an electron dance

Researchers from Princeton University have discovered that electrons in bismuth display a highly unusual pattern of behavior under a powerful magnetic field at ultra-low temperatures. This phenomenon, known as a collective state, is a manifestation of quantum mechanics and could lead to new paradigms in computing and electronics.

SourcePrinceton University·JournalScience·DateJul 25, 2008

Atomic tug of war

Researchers found that under certain conditions, a molecule can jump forward instead of backward when collided with another atom. This 'tug-of-war' behavior is crucial for understanding chemical reactions and their mechanics.

SourceUniversity of Bristol·JournalNature·DateJul 2, 2008