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Categories: Engineering: Nanotechnology, Geoscience: Geology
Published Decoding how molecules 'talk' to each other to develop new nanotechnologies
(via sciencedaily.com) Scientists recreate and compare molecular languages at the origin of life -- opening new doors for the development of novel nanotechnologies.
Published Carbon-based quantum technology
(via sciencedaily.com) Graphene nanoribbons have outstanding properties that can be precisely controlled. Researchers have succeeded in attaching electrodes to individual atomically precise nanoribbons, paving the way for precise characterization of the fascinating ribbons and their possible use in quantum technology.
Published Gold buckyballs, oft-used nanoparticle 'seeds' are one and the same
(via sciencedaily.com) Chemists have discovered that tiny gold 'seed' particles, a key ingredient in one of the most common nanoparticle recipes, are one and the same as gold buckyballs, 32-atom spheres that are cousins of the Nobel Prize-winning carbon buckyballs discovered in 1985.
Published Nanoscale material offers new way to control fire
(via sciencedaily.com) High-temperature flames are used to create a wide variety of materials -- but once you start a fire, it can be difficult to control how the flame interacts with the material you are trying to process. Researchers have now developed a technique that utilizes a molecule-thin protective layer to control how the flame's heat interacts with the material -- taming the fire and allowing users to finely tune the characteristics of the processed material.
Published Arrays of quantum rods could enhance TVs or virtual reality devices
(via sciencedaily.com) Using scaffolds of folded DNA, engineers assembled arrays of quantum rods with desirable photonic properties that could enable them to be used as highly efficient micro-LEDs for televisions or virtual reality devices.
Published Tattoo technique transfers gold nanopatterns onto live cells
(via sciencedaily.com) For now, cyborgs exist only in fiction, but the concept is becoming more plausible as science progresses. And now, researchers are reporting that they have developed a proof-of-concept technique to 'tattoo' living cells and tissues with flexible arrays of gold nanodots and nanowires. With further refinement, this method could eventually be used to integrate smart devices with living tissue for biomedical applications, such as bionics and biosensing.
Published Drops of seawater contain traces of an ancient world
(via sciencedaily.com) Original source New research links chemical changes in seawater to volcanic activity and changes.
Published Quantum material exhibits 'non-local' behavior that mimics brain function
(via sciencedaily.com) New research shows that electrical stimuli passed between neighboring electrodes can also affect non-neighboring electrodes. Known as non-locality, this discovery is a crucial milestone toward creating brain-like computers with minimal energy requirements.
Published Carbon dioxide -- not water -- triggers explosive basaltic volcanoes
(via sciencedaily.com) Original source Geoscientists have long thought that water -- along with shallow magma stored in Earth's crust -- drives volcanoes to erupt. Now, thanks to newly developed research tools, scientists have learned that gaseous carbon dioxide can trigger explosive eruptions.
Published Discovery in nanomachines within living organisms -- cytochromes P450 (CYP450s) unleashed as living soft robots
(via sciencedaily.com) Original source A new study suggests that Cytochromes P450 (CYP450s) enzymes can sense and respond to stimuli, acting like soft robots in living systems.
Published Scientists crack the code of what causes diamonds to erupt
(via sciencedaily.com) Original source Scientists have discovered that the breakup of tectonic plates is the main driving force behind the generation and eruption of diamond-rich magmas from deep inside the Earth.
Published Geomagnetic field protects Earth from electron showers
(via sciencedaily.com) Original source Geophysicists studied the activity of high energy electrons and clarified the unexpected protective role of the geomagnetic field surrounding the Earth.
Published Invasion of the Arctic Ocean by Atlantic plankton species reveals a seasonally ice-free ocean during the last interglacial
(via sciencedaily.com) Original source A subpolar species associated with Atlantic water expanded far into the Arctic Ocean during the Last Interglacial, analysis of microfossil content of sediment cores reveals. This implies that summers in the Arctic were ice free during this period.
Published Single drop of ethanol to revolutionize nanosensor manufacture
(via sciencedaily.com) Engineers have developed a breakthrough technique to make the processing of nanosensors cheaper, greener and more effective by using a single drop of ethanol to replace heat processing of nanoparticle networks, allowing a wider range of materials to be used to make these sensors.
Published Research reveals Hawai'i's undersea volcano, Kama'ehu, erupted five times in past 150 years
(via sciencedaily.com) Original source Kama?ehuakanaloa (formerly L??ihi Seamount), a submarine Hawaiian volcano located about 20 miles off the south coast of the Big Island of Hawai'i, has erupted at least five times in the last 150 years, according to new research led by Earth scientists at the University of Hawai'i at M?noa.
Published Past climate warming driven by hydrothermal vents
(via sciencedaily.com) Original source An international drilling expedition off the Norwegian coast confirms the theory that methane emissions from hydrothermal vents were responsible for global warming about 55 million years ago. The study shows that the vents were active in very shallow water depth or even above sea level, which would have allowed much larger amounts of methane to enter the atmosphere.
Published Unleashing a new era of color tunable nano-devices -- smallest ever light source with switchable colors formed
(via sciencedaily.com) New research has achieved a significant breakthrough in color switching for nanocrystals, unlocking exciting possibilities for a simple, energy efficient display design and for tunable light sources needed in numerous technologies. The discovery also has potential applications in sensitive sensors for various substances, including biological and neuroscience uses, as well as advancements in quantum communication technologies. This nanomaterial breakthrough holds the promise of inspiring exciting innovations in the future.
Published Nanorings: New building blocks for chemistry
(via sciencedaily.com) Sandwich compounds are special chemical compounds used as basic building blocks in organometallic chemistry. So far, their structure has always been linear. Recently, researchers made stacked sandwich complexes form a nano-sized ring. Physical and other properties of these cyclocene structures will now be further investigated.
Published Nature's kitchen: how a chemical reaction used by cooks helped create life on Earth
(via sciencedaily.com) Original source A chemical process used in the browning of food to give it its distinct smell and taste is probably happening deep in the oceans, where it helped create the conditions necessary for life. Known as the Maillard reaction after the French scientist who discovered it, the process converts small molecules of organic carbon into bigger molecules known as polymers. In the kitchen, it is used to create flavors and aromas out of sugars. But a research team argues that on the sea floor, the process has had a more fundamental effect, where it has helped to raise oxygen and reduce carbon dioxide levels in the atmosphere, to create the conditions for complex life forms to emerge and thrive on Earth.
Published Fiber optic cables detect and characterize earthquakes
(via sciencedaily.com) Original source The same fiber optic networks that provide internet can simultaneously act as earthquake sensors, as demonstrated in a new study.