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Mitochondria are dynamic, bioenergetic intracellular organelles, responsible for energy production via ATP production during respiration. They are involved in key cellular metabolic tasks that regulate vital physiological ...
Building at the nanoscale is not like building a house. Scientists often start with two-dimensional molecular layers and combine them to form complex three-dimensional architectures. And instead of nails and screws, these ...
Most of the colors on today's paper and fabric are made using dyes or pigments. But colors can also be produced by modifying a material's surface at the nanoscale, causing the surface to reflect or scatter different frequencies ...
A new and extremely sensitive method of measuring ultrasound could revolutionise everything from medical devices to unmanned vehicles.
Integrating graphene sheets into silicon photonics could form the basis for next-generation data communications. Researchers from the Graphene Flagship initiative have pushed the technology closer to application by demonstrating ...
Intentionally "squashing" colloidal quantum dots during chemical synthesis creates dots capable of stable, "blink-free" light emission that is fully comparable with the light produced by dots made with more complex processes. ...
Scientists from the University of Bath (UK) and Northwestern University (USA) have developed a new type of sensor platform using a gold nanoparticle array, which is 100 times more sensitive than current similar sensors.
Researchers from the Singapore University of Technology and Design (SUTD) have invented a new type of anti-counterfeiting technology called holographic colour prints for securing important documents such as identity cards, ...
Scientists have moved quantum optic networks a step closer to reality. The ability to precisely control the interactions of light and matter at the nanoscale could help such a network transmit larger amounts of data more ...
A team of researchers from Russia, Great Britain, Japan and Italy has created a graphene-based terahertz detector. The study was published in Nature Communications.
Surfers spend much of their time watching long waves come onto the shoreline as they attempt to catch one right as it begins to curve and break.
Graphene, in its regular form, does not offer an alternative to silicon chips for applications in nanoelectronics. It is known for its energy band structure, which leaves no energy gap and no magnetic effects. Graphene antidot ...
Many problems in physical and biological sciences as well as engineering rely on our ability to monitor objects or processes at nano-scale, and fluorescence microscopy has been used for decades as one of our most useful information ...
MIT researchers have invented a way to fabricate nanoscale 3-D objects of nearly any shape. They can also pattern the objects with a variety of useful materials, including metals, quantum dots, and DNA.
To make modern communications possible, today's mobile devices make use of components that use acoustic waves (vibrations) to filter or delay signals. However, current solutions have limited functionalities that prevent further ...
Researchers have long studied magnetotactic bacteria (MTB), aquatic microbes that have the ability to orientate themselves to magnetic fields. This unusual behaviour makes them a subject of interest for improving our understanding ...
Researchers from MIT and the University of Colorado have fabricated a 3-D transistor that's less than half the size of today's smallest commercial models. To do so, they developed a novel microfabrication technique that modifies ...
How many nanometers should catalyst nanoparticles be to optimize the course of the reaction? Researchers usually look for the answer through laborious, repetitive tests. At the Institute of Physical Chemistry of the Polish ...
In the drive to find new ways to extend electronics beyond the use of silicon, physicists are experimenting with other properties of electrons, beyond charge. In work published today (Dec 7) in the journal Science, a team ...
The ideal optoelectronic semiconductor material would be a strong light emitter and an efficient charge conductor to allow for electrical injection in devices. These two conditions, when met, can lead to highly efficient ...
Rice University researchers have discovered a fundamentally different form of light-matter interaction in their experiments with gold nanoparticles.
A simple sheet of graphene has noteworthy properties due to a quantum phenomenon in its electron structure called Dirac cones. The system becomes even more interesting if it comprises two superimposed graphene sheets, and ...
Research into harnessing two-dimensional (2-D) materials for everyday devices has had some ups and downs. However, the emerging field of valleytronics is using energy troughs to offer renewed potential.
Electronic systems using light waves instead of voltage signals is advantageous, as electromagnetic light waves oscillate at petaherz frequency. This means that future computers could operate at speeds 1 million times faster ...
Today's optical systems—from smartphone cameras to cutting-edge microscopes—use technology that hasn't changed much since the mid-1700s. Compound lenses, invented around 1730, correct the chromatic aberrations that cause ...
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Engineers at Duke University have demonstrated a device that can direct photons of light around sharp corners with virtually no losses due to backscattering, a key property that will be needed if electronics are ever to be ...
Scientists from the University of Wollongong (UOW), working with colleagues at China's Beihang University, Nankai University, and Institute of Physics at Chinese Academy of Sciences, have successfully created an atomic scale, ...
Researchers at RMIT University have engineered a new type of transistor, the building block for all electronics. Instead of sending electrical currents through silicon, these transistors send electrons through narrow air ...
The field of intelligent nanorobotics is based on the great promise of molecular devices with information processing capabilities. In a new study that supports the trend of DNA-based information carriers, scientists have ...
A nanoscale optical antenna developed by researchers at A*STAR allows the manipulation of visible light waves on the scale of microchips. Such nanoantennae may enable the development of high-resolution imaging systems in ...
In optics, the era of glass lenses may be waning.
You've felt the heat before—the smartphone that warms while running a navigation app or the laptop that gets too hot for your lap.
Scientists from the Center for Functional Nanomaterials (CFN)—a U.S. Department of Energy (DOE) Office of Science User Facility at Brookhaven National Laboratory—have dramatically improved the response of graphene to ...
A team of researchers from the Dutch institute AMOLF, Western University (Canada), and the University of Texas (United States of America) recently demonstrated the use of algorithmic design to create a new type of nanophotonic ...
Researchers at the Physical and Analytical Chemistry department of the Universitat Jaume I (UJI) of Castellón, Spain, have taken part in the design of semiconductor nanoplatelets with a broadened range of colours to improve ...
In a step forward for information security for the Internet of Things, a team of researchers has published a new paper in the online edition of Nano Letters in which they have engineered a new type of physically unclonable ...
"Omniphobic" might sound like a way to describe someone who is afraid of everything, but it actually refers to a special type of surface that repels virtually any liquid. Such surfaces could potentially be used in everything ...
In the nanoworld, magnetism has proven to be truly surprising. Magnetic 2-D materials just a few atoms thick could provide a substrate for ever-smaller post-silicon electronics. An international research team led by Park ...
Geckos and many other animals have heads that are too small to triangulate the location of noises the way we do, with widely spaced ears. Instead, they have a tiny tunnel through their heads that measures the way incoming ...
Physicists from the University of California, Irvine have discovered a new way to control magnets at the nanometer scale by electric current. This breakthrough, detailed in a paper published today in Nature Nanotechnology, ...
Household lightbulbs give off a chaotic torrent of energy, as trillions of miniscule light particles—called photons—reflect and scatter in all directions. Quantum light sources, on the other hand, are like light guns ...
A team of researchers from the University of Illinois at Urbana-Champaign and Mayo Clinic have engineered a new type of molecular probe that can measure and count RNA in cells and tissue without organic dyes. The probe is ...
An international research team reports that light confined in the nanoscale propagates only in specific directions along thin slabs of molybdenum trioxide, a natural anisotropic 2-D material. Besides its unique directional ...
Apple orchards surrounded by agricultural lands are visited by a less diverse collection of bee species than orchards surrounded by natural habitats, according to a new Cornell University-led study, published in the journal ...
To female molly and Limia fish, nothing is hotter than a male with a large dorsal fin. But these fins aren't just decorations to attract females.
Taking advantage of recent advances in using theoretical calculations to predict the properties of new materials, researchers reported Thursday the discovery of a new class of half-Heusler thermoelectric compounds, including ...
An international team of scientists is challenging our understanding of a part of Earth's history by looking at the Moon, the most complete and accessible chronicle of the asteroid collisions that carved our solar system.
One of the last acts of NASA's Cassini spacecraft before its death plunge into Saturn's hydrogen and helium atmosphere was to coast between the planet and its rings and let them tug it around, essentially acting as a gravity ...
A new fly-through of the fly brain allows anyone to whizz past neurons and visit any of the 40 million synapses where neurons touch neuron. It's a super-resolution view of the complex network connections in the insect's brain ...
Most of our cells contain an immobile primary cilium, an antenna used to transfer information from the surrounding environment. Some cells also have many mobile cilia that are used to generate movement. The 'skeleton' of ...
In the world of paleoecology, little has been known about the historical record of ecosystems in the West African highlands, especially with regard to glacial cycles amidst a shifting climate and their effects on species ...
Liver-on-a-chip cell culture devices are attractive biomimetic models in drug discovery, toxicology and tissue engineering research. To maintain specific liver cell functions on a chip in the lab, adequate cell types and ...
Separate skeletons suggested to be from different early hominin species are, in fact, from the same species, a team of anthropologists has concluded in a comprehensive analysis of remains first discovered a decade ago.
Routes to making life-saving medications and other pharmaceutical compounds are among the most carefully protected trade secrets in global industry. Building on recent work programming computers to identify synthetic pathways ...
Scientists at Rutgers and universities in Russia, Poland and England have solved a nearly 30-year mystery—how the molecular machinery works in an enzyme that makes a potent antibiotic.
Researchers from two groups studying mouse development have accidentally created mice with unusually long and unusually short tails. Their findings, publishing January 17 in the journal Developmental Cell, offer new insight ...
Individual lichens may contain up to three different fungi, according to new research from an international team of researchers. This evidence provides new insight into another recent discovery that showed lichen are made ...
Scientists at Newcastle University have developed a biological system which lets cells form a desired shape by moulding their surrounding material—in the first instance creating a self-curving cornea.
Some iron-based superconductors could benefit from a tuneup, according to two studies by Rice University physicists and collaborators.
Researchers at Queen's University Belfast have developed a highly innovative new enzyme biomarker test that has the potential to indicate diseases and bacterial contamination saving time, money and possibly lives.
Your cells have an amazing ability—they can build their own energy factories, called mitochondria. Once built, mitochondria must move where needed in the cell. Defects in mitochondrial transport are a suspected cause of ...
A research team from Whitehead Institute has uncovered a surprising and previously unrecognized role for introns, the parts of genes that lack the instructions for making proteins and are typically cut away and rapidly destroyed. ...
Electronegativity is one of the most well-known models for explaining why chemical reactions occur. Now, Martin Rahm from Chalmers University of Technology, Sweden, has redefined the concept with a new, more comprehensive ...
A trio of researchers at the University of Wisconsin has discovered that a common soil bacterium produces a chemical that is more effective in repelling mosquitoes than DEET. In their paper published in the journal Science ...
Childcare can be expensive, stressful, and annoying to organise, but a University of Otago-led study has found it may also be behind religion's resilience.
The way humanity produces and eats food must radically change to avoid millions of deaths and "catastrophic" damage to the planet, according to a landmark study published Thursday.
A cotton seedling that sprouted on the moon has been left to die as China's historic lunar lander continues a freezing night-time nap that will last as long as two earth weeks, scientists said.
Barnard b (or GJ 699 b) is a recently discovered Super-Earth planet orbiting Barnard's Star, making it the second nearest star system to the Earth. Although likely cold (-170 degrees centigrade), it could still have the potential ...
Three Chinese fir trees on a nature reserve in Southeastern China are the last of their kind. As their existence is threatened by human disturbance and climate change, researchers are hurrying to learn everything they can ...
Whether they are found in an engagement ring or an antique necklace, diamonds usually generate quick reactions from their recipients. Now, new research shows deep inside the Earth, fast reactions between subducted tectonic ...
A low-cost, versatile type of charcoal known as biochar can be tailored for specific uses including treating water, removing contaminants from soil and even storing carbon, according to new research by University of Alberta ...
Researchers at Missouri S&T have discovered that two-dimensional (2-D) titanium carbide materials, or MXenes, can react with water with no other oxidizers involved. Their finding may lead to new insights into the unusual ...
The probability that a nucleus will absorb a neutron is important to many areas of nuclear science, including the production of elements in the cosmos, reactor performance, nuclear medicine and defense applications.
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