News Article | July 17, 2017
-- What would it feel like to be sacrificed to gods you didn't believe in? Amber R. Duell may not know what lies beyond death, but she does explore a vivid mythological world engulfed in a modern war in her newly released young adult fantasy novel,Amber points to the story of a 500-year-old Incan girl found mummified on a volcano as inspiration for her story. "Did she think she would ascend to some special place?" Amber mused, and gave birth to the story of Cassia Stavros and Theodoric trapped in a delicate balance between feuding immortals.is a relentless tale of revenge, inner turmoil, and budding romance reminiscent of the legend of Persephone and Hades. Amber's story sweeps across national borders and realms as the God of War and his sacrificial bride fight to end the mortal war.is a "…great book for anybody who loves the myth of Cupid and Psyche…I loved the…mashup of modernity with the mythological,"Abby Reed explains, author ofAmber R. Duell was born and raised in a small town in Central New York. While it will always be home, she's spent the last six years living in Germany and Maine as a military wife where the next step is always an adventure.For more information, visit www.amberrduell.com Radiant Crown Publishing was founded in 2016 to showcase quality fiction, diverse stories, and unexpected protagonists. Antiheroes and characters whose stories are pushed to the margins are welcome here.For more information, visit www.radiantcrownpublishing.com ( http://radiantcrownpublishing.com/ ).
AMBER Inc | Date: 2016-08-17
A system and method for testing a device under test (DUT) combines measurement data of field components values made at different sampling locations away from the DUT with computer-aided design layout of the DUT. The combined computer-aided design layout of the DUT and the measurement data can then be displayed for analysis.
News Article | August 16, 2017
Antares is a well studied red supergiant star, close to Earth at a distance of parsecs (based on the parallax of 5.89 ± 1.00 milliarcseconds (mas); ref. 23). We used the Very Large Telescope Interferometer (VLTI) of the European Southern Observatory (ESO) located at Cerro Paranal in Chile, with the goal of directly observing the gas motions in the atmosphere of Antares. The near-infrared VLTI instrument AMBER24 allowed us to record spectrally dispersed interferograms across CO lines between 2.28 μm and 2.31 μm with a spectral resolution of 12,000. This is sufficient to have approximately ten wavelength channels across each CO line and is crucial for directly observing the dynamics of the spatially resolved atmosphere of the star. We obtained VLTI/AMBER data covering baselines from 4.6 m to 82 m and reconstructed images of Antares at 311 wavelength channels across the observed wavelength range (see Methods). Figure 1 shows the images of Antares reconstructed at eight different wavelength channels. Thanks to a superb spatial resolution of 5.1 mas × 5.4 mas, several structures are well resolved with unprecedented spatial and velocity accuracy. The spatial resolution is about seven times finer than the star’s angular diameter of 37.61 ± 0.12 mas in the continuum (see Methods) and nearly 12 times finer than the extension of the atmosphere. The continuum images (Fig. 1a, e) show a nearly smooth surface with a weak, large spot at the centre with an intensity contrast of 3%–4% (see Methods for the reliability of image reconstruction). In marked contrast, the images in the CO band head, which is formed by many CO lines at nearly the same wavelengths (Fig. 1b–d), as well as those in the CO lines (Fig. 1f–h) clearly reveal two large spots with a contrast of about 20% and an irregularly shaped atmosphere extending out to about 1.7 stellar radii (approximately 32 mas). These spots may represent regions with lower CO densities, through which the emission from the lower, warmer layers can be seen. The previous images of the spotted surfaces of red supergiants were taken in the visible part of the spectrum, where the strong TiO bands are present1, 2, 3. However, the image of the well studied red supergiant Betelgeuse (similar to Antares) taken at 833 nm, which better represents the continuum, shows a featureless, limb-darkened disk25. Observations at the longer wavelengths of 905 nm and 1,290 nm show that the intensity contrast of the spots is low or spots are absent at these wavelengths, which can be explained by smaller TiO opacity3 at longer wavelengths. The images and modelling of interferometric data of red supergiants at about 1.6 μm show spots with low to moderate intensity contrasts, presumably owing to a jumble of weak and moderate lines of CO and CN4, 5, 26. These results are consistent with our observations in that Antares shows a nearly smooth surface in the continuum, and the inhomogeneities appear in the CO lines that form in the upper layers of the atmosphere. From the data cube of the images reconstructed at 311 wavelength channels, we extracted the spatially resolved spectrum at each position over the surface of the star and the extended atmosphere. Figure 2 shows the spatially resolved spectra (red lines) with a spectral resolution of 8,000 (see Methods) at the three representative positions A (on the stellar disk) and B and C (in the atmosphere), together with the spatially unresolved spectrum (that is, the spectrum averaged over the entire image; black lines). On the one hand, as can be seen in Fig. 2b, the spatially resolved spectrum (red line) of the bright spot on the surface (position A) shows stronger absorption lines than the spatially unresolved spectrum. On the other hand, the spatially resolved spectra in the atmosphere (positions B and C) show the CO lines in prominent emission (Fig. 2d, f)—exactly as expected from Kirchhoff’s law. A closer look at the spatially resolved line profiles reveals that the absorption lines at position A (Fig. 2c, red line) is slightly blueshifted with respect to the spatially unresolved spectrum (Fig. 2c, black line), which means that the gas at position A is upwelling. In Fig. 2e, the peaks of the CO emission lines at the position B are clearly blueshifted with respect to the absorption lines seen in the spatially unresolved spectrum, indicating that the gas at position B is moving towards us. In contrast, the CO emission lines at the position C are redshifted with respect to the spatially unresolved spectrum (Fig. 2g), which means that the gas is moving away from us. We measured the line-of-sight gas velocity at each position over the stellar disk and atmosphere by calculating the cross-correlation between the spatially resolved and unresolved spectra. Figure 3 shows the two-dimensional velocity field map of Antares obtained in this manner (positive and negative velocities indicate the gas moving away from Earth and approaching towards us, respectively). We resolved the velocity field over the stellar disk, revealing upwelling and downdrafting at line-of-sight velocities ranging from approximately −20 km s−1 to +10 km s−1 on the spatial scale of the radius of the star. The gas motions in the extended atmosphere are characterized by vigorous, inhomogeneous motions of several large gas clumps at line-of-sight velocities ranging from −10 km s−1 to +20 km s−1. We note, however, that whereas the positive and negative line-of-sight velocities observed over the stellar disk can be readily associated with downdrafting and upwelling motions, respectively, there is ambiguity for the clumps observed in the extended atmosphere (that is, outside the limb of the stellar disk). For example, the clump in the northwest with a line-of-sight velocity of 20 km s−1 may be infalling on the observer’s side of the system (that is, in front of the plane perpendicular to the line of sight and going through the star’s centre) or outflowing on the far side of the star (that is, behind the aforementioned plane). These upwelling and downdrafting motions resemble convection on the surface of red supergiants27. However, the observationally estimated density in the atmosphere is at least six orders of magnitude higher, and the atmospheric extension is much larger than predicted by the current convection models13, 28. This suggests that convection alone cannot lift the material up to the observed radius of around 1.7 stellar radii, and the CO lines originate in layers higher than the top of convective cells. This can explain the absence of a correlation between the images in the continuum (probing the convection-dominated deep layers) and those in the CO lines (probing the extended atmosphere). Similar upward and downward motions are inferred in the chromosphere of Betelgeuse, but the velocity amplitude is much smaller19, 20, about 5 km s−1. The analysis of optical line profiles in a sample of red supergiants (but not including Antares) suggests upward and downward velocities of up to 17 km s−1 in the upper layers of the atmosphere22. The velocities are comparable to what we measured in Antares, although the authors of ref. 22 interpret the motions as originating from convection (unlike our argument above). However, the interpretation of spectral lines obtained by spatially unresolved spectroscopy (that is, averaged over the entire surface and atmosphere of a star) in terms of atmospheric motions can be ambiguous. For example, a different analysis29 of the radial velocities of optical spectral lines of Antares suggests that the convective motions penetrate only the lower photosphere (in line with our argument above) and that the lines forming in the upper atmosphere show only weak atmospheric motions (distinct from our results). Since convection alone cannot explain the density and extension of the atmosphere, some yet-to-be identified process must be operating to extend the atmosphere and give rise to the turbulent motions, and also perhaps the mass loss. Given that we did not detect a systematic outflow within 1.7 stellar radii, the substantial acceleration of mass loss should take place beyond this radius. The next challenge remains to identify the driving mechanism responsible for the observed turbulent motions. The technique we used to map out the velocity field over the surface and atmosphere of stars other than the Sun can be extended to different atomic and molecular lines forming at different atmospheric heights. Such tomographic velocity-resolved imaging will provide us with a three-dimensional picture of the dynamics of stellar atmospheres from deep layers to the outer atmosphere and help us to identify the process behind the observed atmospheric motions.
News Article | November 4, 2016
Trinity researchers at the AMBER centre, the Science Foundation Ireland funded materials science centre, will lead an international project worth over €4.4 million under the European-funded "Future and Emerging Technologies - Open" (FET Open) programme. They are the first group in Ireland ever to coordinate such a project, from the most competitive science funding programme in the EU. FET Open funds visionary research and innovation for radically new future technologies, at an early stage, when there are few researchers working in a field. The success rate for this call was 4%.* Trinity's share of the 4.4m euro budget is 1.7m euro. The funding has been awarded to the TRANSPIRE project, which is led by Professor Plamen Stamenov, an Investigator in AMBER and Trinity's School of Physics, working with Drs Karsten Rode, Thomas Archer and Professors Michael Coey and Stefano Sanvito (all from the School of Physics), and collaborators in Germany, Norway and Switzerland. TRANSPIRE (Terahertz RAdio communication using high aNistropy SPIn torque REsonators), which came about from an initial collaboration between Trinity and the Materials Research Institute at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) in Germany, will develop a new class of magnetic materials that could enable new, on-chip and chip-to-chip data links at least 100 times, possibly 1000 times faster than current technology. Personal and substance security screening, medical spectrometry and imaging, geophysical and atmospheric research and the Internet of Things will all benefit from ultra-fast data transfer. Professor Plamen Stamenov, Investigator in AMBER and Trinity's School of Physics, said, "We are, of course, delighted to win this award. It is a recognition of the work we have done on the fundamental physics of highly spin-polarised materials over the last 5-10 years, but also of the quality and expertise of our collaborators in Germany, Norway and Switzerland. I trust that this project will be valued by the scientific community and hope that we will be laying the foundations for high-speed data networks of the future. TRANSPIRE aims to develop a new class of magnetic materials which should enable new and exciting terahertz, that is 1000 gigahertz, technologies. As the different forms of radio communication and navigation e.g. AM and FM radio, digital TV, microwave devices, mobile phones, GPS and wireless networks, all fight for space in the heavily-regulated frequency bands, the changes in their capacity is relatively slow and incremental. With the huge increase in the demand for high-speed data transmission, these radio bands are experiencing intense pressure. The terahertz bands offer new opportunities and some unchartered 'territory', but are rather difficult to work at. In this range, to date, no magnetic materials and correspondingly devices have been developed. Our ambition within TRANSPIRE is to start the development of a low-cost, compact and reliable, room-temperature terahertz technology which could underpin the next wave of the Big Data revolution." Professor Michael Morris, Director of AMBER, said, "I congratulate Prof Stamenov and his team. This places AMBER researchers amongst the best in Europe. FET Open will only fund scientists that have the capability of conducting research that goes beyond what is currently known or even imagined and we look forward to the developments with this project". Professor Mark Ferguson, Director General of Science Foundation Ireland and Chief Scientific Adviser to the Government of Ireland, said, "This is a recognition of truly excellent science by Professor Stamenov and the team at AMBER. The Science Foundation Ireland Research Centres have ambitious targets of securing non-exchequer funding and AMBER has been very successful in reaching its targets to date." * 22 proposals were funded out of a total of 544 submissions, http://ec. Since FET-Open is totally non-prescriptive, it attracts many more applicants than other programmes and the AMBER team were competing with internationally-leading scientists at the highest level across a broad range of disciplines, not just in their own area of interest. Proposals must pass a rigorous evaluation process which assesses the long-term vision of the project and, whether it identifies a clear scientific breakthrough, explores unknown territory with potential high risk but also high gain, and is novel and interdisciplinary. The other partners in the consortium are Drs Alina Deac, Michael Gensch, Ciarán Fowley and Sergey Kovalev from the Institute of Ion Beam Physics and Materials Research Institute at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) in Germany, Prof Arne Brataas from the Norwegian University of Science and Technology at Trondheim (NTNU) and Dr Emile de Rijk from SWISSto12, a spinoff from the Swiss Federal Institute of Technology in Lausanne. Trinity's share of the €4.4 million budget is €1.7M. TRANSPIRE aims to empower innovative small enterprises and major companies to assess the viability of spintronic terahertz technology to shape future devices and processes that will sustain the big data revolution for another generation. The project relies on coordinated interdisciplinary research in physics, chemistry, materials science, terahertz design and device engineering to ensure the success of a high-risk endeavour, which can change the nature of everyday electronic technology. AMBER (Advanced Materials and BioEngineering Research) is a Science Foundation Ireland funded centre which provides a partnership between leading researchers in materials science and industry to develop new materials and devices for a range of sectors, particularly the ICT, medical devices and industrial technology sectors. The centre is hosted in Trinity College Dublin, working in collaboration with CRANN (Centre for Research on Adaptive Nanostructures and Nanodevices), the Trinity Centre for Bioengineering and with University College Cork and the Royal College of Surgeons of Ireland.
AMBER Inc | Date: 2017-01-02
Home and office automation systems comprising wireless and wired controllers, controlled devices, and software for lighting, HVAC, security, safety and other home and office monitoring and control applications; Home and office electrical power automation systems comprising wireless and wired controllers, controlled devices, and software for appliances, lighting, HVAC, security and other home and office electrical power monitoring and control applications; Industrial automation controls.
AMBER Inc | Date: 2014-08-06
A system and method for electrostatic discharge (ESD) testing devices under test (DUTs) uses an ESD gun attached to a robotic arm to execute ESD testing processes. The system and method also uses a relay station to place a DUT after an ESD testing process is performed on one major side of the DUT so the ESD testing can be performed on the other major side of the DUT.
AMBER Inc | Date: 2011-09-01
A magnetic braking, governing, or speed retarding system for use with a wheeled conveyance may take advantage of eddy currents induced when a magnet moves past a non-magnetic conductor. A plurality of magnets may be disposed within a rotor that rotates as a wheel axle rotates. The magnets rotate past one or more relatively stationary stators to generate eddy currents that create a resistance on the rotor, thereby acting to retard or slow the rotational speed of the rotor and the axle. The system may be particularly well-suited with a wheeled conveyance such as a sled that is gravity driven and travels downhill along a track. The speed governing system may apply lesser force in relatively flat sections of the track, due to slower wheel rotational speeds, and greater force as the conveyance attempts to pick up speed, e.g., in steeper sections.
AMBER Inc | Date: 2014-12-24
A system and method for performing radiation source analysis on a device under test (DUT) uses discrete Fourier transform on measured field components values at different sampling locations away from the DUT to derive field component values at locations on the DUT. The results of the discrete Fourier transform are multiplied by a complex phase adjustment term as a function of distance from the sampling locations to the DUT to translate the measured field component values back to the locations on the surface of the DUT.
News Article | December 8, 2016
There's only so much palaeontologists can learn about prehistoric animals from fossilized bones, so on rare occasions when ancient soft tissues turn up, it's worth taking note. Recent discoveries of preserved brains, cartilage and skin have provided some unique insights into how dinosaurs may have looked and sounded, and now a section of a dinosaur's tail, complete with feathers, has been found trapped in a piece of amber... Continue Reading Dinosaur tail, complete with feathers, found in amber Category: Biology Tags: Birds Fossils Dinosaurs China Amber Evolution Related Articles: Bog-pickled dinosaur brains make for a remarkable fossil New dinosaur species helps unravel ancient migration mysteries If dinosaurs really were like birds, why didn't they sing? Fossil evidence suggests tin There's only so much palaeontologists can learn about prehistoric animals from fossilized bones, so on rare occasions when ancient soft tissues turn up, it's worth taking note. Recent ... Feathered dinosaur tail discovered in lump of amber from a market in Myanmar AMBER FOSSIL: The exquisitely preserved bones and feathers of a dinosaur tail have been discovered in a piece of 99-million-year-old amber found by a palaeontologist hunting for fossils in a ... Who was a pretty boy, then? TWO decades ago palaeontologists were astonished to discover impressions of feathers in rock around the petrified bones of dinosaurs that had clearly, from the ... The small amber piece containing the valuable find was on sale as a curiosity or item of jewellery in a market in Burma Researchers have discovered a dinosaur tail complete with its feathers trapped in a piece of amber. The finding reported in Current Biology on December 8 helps to fill in details of the dinosaurs' ...