Abstract: A laminated article having a first layer and a second layer. Each layer has a porous carbon structure and a porous polymer. The pores of the two porous polymers are from 1 nanometer to 10 microns in diameter, and the two porous polymers have different pore size distributions. A method of making the laminated article by hot-pressing the two or more layers. The article may be used in an electrochemical cell.

Abstract: A MEMS nanotube based radiation sensor that is low cost, low power, compact, reliable and is applicable across many fields and a method for fabricating such a sensor are described. Each sensor may be connected to an array of similar but distinct sensors that leverage different materials and nanotube technology to detect radiation.

Abstract: A method of laser-writing submicron pixels with tunable circular polarization and write-read-erase-reuse capability on Bi2Se3/WS2 at room temperature, comprising the steps of applying a laser to the Bi2Se3/WS2, writing a submicron pixel, wherein the submicron pixel has a circular polarization, modifying the circular polarization, allowing the circular polarization to be tuned across a range of 39.9%, tuning photoluminescence intensity, and tuning photoluminescence peak position. A method of growing Bi2Se3/WS2 as a nano-material or two-dimensional heterostructure for laser-writing submicron pixels with tunable circular polarization and write-read-erase-reuse capability on the Bi2Se3/WS2 heterostructure at room temperature.

Abstract: Tunable thermochromic materials comprise a metal salt with a varying proportion of two different anions and an organic ligand. Partial substitution via doping during the initial synthesis with a macro-structurally similar (generating an isostructural material) yet chemically different anion creates a material with altered thermochromic properties. For example, in bromide-doped bis(N,N?-diethylethylenediamine)nickel(II)) tetrafluoroborate; both the tetrafluoroborate (BF4-) and bromide (Br—) derivatives are isostructural. Substitution of BF4- for Br— causes a decrease in the materials' thermochromic transition temperature by approximately 10° C.

Abstract: Light controlled switching modules are provide. In embodiments, a light controlled switching module includes: a housing; a light controlled semiconductor switch mounted to the housing, the light controlled semiconductor switch including a semiconductor body; at least one light source mounted to the housing in a spaced relationship from the light controlled semiconductor switch and positioned to direct light emitted from the at least one light source toward the semiconductor body; and first and second electrodes mounted to the housing and connected to the light controlled semiconductor switch, wherein the first and second electrodes are configured to have variable resistance between the first and the second electrode.

Abstract: Systems and methods are provided for label placement that provide necessary information on a map when map features conflict without significantly impacting performance. Embodiments of the present disclosure can handle placement of map labels that vary in size, have prioritized label/feature groupings, apply to point, line, and area features, minimize overlap when there is no more open space, and render fast enough for interactive viewing.

Abstract: A pegylated, circularly permuted construct of the CapD enzyme (a gamma glutamyl transferase enzyme acting as a hydrolase specific to poly-?-D-glutamic acid) is used to treat anthrax and other bacterial infections, including but not limited to infection with strains that are resistant to available antibiotics.

Abstract: Described herein are biofilm bioreactors for synthesis at the interface between two liquids, and methods of using such bioreactors for the biotransformation of feedstocks into chemical products. Also contemplated is the extraction of such products.

Abstract: Systems and methods for growth of silicon carbide over a layer comprising graphene and/or hexagonal boron nitride, and related articles, are generally described. In some embodiments, a SiC film is fabricated over a layer comprising graphene and/or hexagonal boron nitride, which in turn is disposed over a substrate. The layer and/or the substrate may be lattice-matched with the SiC film to reduce defect density in the SiC film. The fabricated SiC film may then be removed from the substrate via, for example, a stressor attached to the SiC film. In certain cases, the layer serves as a reusable platform for growing SiC films and also serves a release layer that allows fast, precise, and repeatable release at the layer surface.

Abstract: Methods and systems are provided for automatic classification of information in an adversarial machine learning setting. For example, a learner that includes multiple classifiers may perform data classification automatically. Each classifier may be trained with adversarial data of a different strength. For a given query to be classified, the learner is configured to intelligently select a classifier that is commensurate with the adversarial strength of the data inside the query, without explicit knowledge of that data or its adversarial strength.

Abstract: A water submersion detection system that may include a buoyant device having a conductive surface, and a housing enclosing the buoyant device and having conductive elements. The conductive elements may include a first set of one or more nonadjacent conductive elements that are electrically connected, and a second set of one or more nonadjacent conductive elements that are electrically connected. The system may include a submersion alert device that activates responsive to the buoyant device contacting the housing.

Abstract: A method for growing nanocrystalline diamond (NCD) on Ga2O3 to provide thermal management in Ga2O3-based devices. A protective SiNx interlayer is deposited on the Ga2O3 before growth of the NCD layer to protect the Ga2O3 from damage caused during growth of the NCD layer. The presence of the NCD provides thermal management and enables improved performance of the Ga2O3-based device.

Abstract: A method of determining ocean state. The method may include receiving, by a processing device, data associated with a prior ocean forecast state, and receiving, by the processing device, data associated with a first set of ocean temperature and salinity observations. The method may include receiving, by the processing device, data associated with a first set of ocean acoustic pressure observations. The method may include determining, by the processing device, a correction to the prior ocean forecast state based on a forward acoustic model, on an adjoint acoustic model, on the data associated with a first set of ocean temperature and ocean salinity observations, and on the data associated with a first set of ocean acoustic pressure observations, and generating, by the processing device, a current ocean state based on the determined correction.

Abstract: Methods providing distributed temperature and strain measurements are disclosed. Brillouin pump laser pulses having a Brillouin pump frequency are coupled into a first end of an optical fiber. Brillouin Stokes and Anti-Stokes probe laser beams are coupled into a second end of the fiber. The Stokes probe laser beam has a Stokes probe frequency. The Anti-Stokes probe laser beam has an Anti-Stokes probe frequency. The Stokes and Anti-Stokes probe frequencies and the pump frequency are included in a Brillouin frequency band. A train of Rayleigh seed pulses are coupled into the fiber. Each of the seed pulses of the train has a respective different frequency included in a Rayleigh frequency band. Frequencies of the Brillouin frequency band are coupled to a Brillouin detector, and Rayleigh backscatter signals are coupled to a Rayleigh detector. Brillouin and Rayleigh detector outputs are used to calculate the measurements. Related sensors are also disclosed.

Abstract: A technique for selective-area diffusion doping of III-N epitaxial material layers and for fabricating power device structures utilizing this technique. Dopant species such as Mg are introduced into the III-N material layer and are diffused into the III-N material by annealing under stable or metastable conditions. The dopant species can be introduced via deposition of a metal or alloy layer containing such species using sputtering, e-beam evaporation or other technique known to those skilled in the art. The dopant material layer is capped with a thermally stable layer to prevent decomposition and out-diffusion, and then is annealed under stable or metastable conditions to diffuse the dopant into the III-N material GaN without decomposing the surface.

Abstract: A nanoparticle of a decomposition product of a transition metal aluminum hydride compound, a transition metal borohydride compound, or a transition metal gallium hydride compound. A process of: reacting a transition metal salt with an aluminum hydride compound, a borohydride compound, or a gallium hydride compound to produce one or more of the nanoparticles. The reaction occurs in solution while being sonicated at a temperature at which the metal hydride compound decomposes. A process of: reacting a nanoparticle with a compound containing at least two hydroxyl groups to form a coating having multi-dentate metal-alkoxides.

Abstract: Thermoelectric (TE) nanocomposite material that includes at least one component consisting of nanocrystals. A TE nanocomposite material in accordance with the present invention can include, but is not limited to, multiple nanocrystalline structures, nanocrystal networks or partial networks, or multi-component materials, with some components forming connected interpenetrating networks including nanocrystalline networks. The TE nanocomposite material can be in the form of a bulk solid having semiconductor nanocrystallites that form an electrically conductive network within the material.

Abstract: A rapidly deployable structure that includes a first and second hub, a plurality of legs and a rod connected to the first hub. The first hub includes first recesses. The second hub includes second recesses and an alignment guide. Each leg is connected to the first hub and the second hub. The rod connected is to the first hub and includes pins that are movable between an extended state, where pins protrude from the rod, and a retracted state where the pins are retracted within the rod. The first hub is movable relative to the second hub between a first state in which the rod is disposed above the alignment guide in an axial direction defined by an opening in the alignment guide and a second state in which a portion of the rod comprising the pins is below the alignment guide in the axial direction.

Abstract: A detector for detecting optically undetectable sub-cm orbital debris. A ring detector comprising a current pulse transformer (CPT) in which a conducting wire coil is wrapped around a loop of high permeability material having a magnetic nanoparticle (MNP) core. Debris objects in low earth orbit become charged as they pass through local plasma. As each charged debris object passes through the coil-wrapped loop, its current generates an induced voltage pulse, which can be used to detect the presence of the debris object. By fielding such a detector on a satellite, a long duration survey of the debris distribution in the LEO region can be made as the satellite's altitude is systematically varied.

Abstract: A cathode emitter assembly includes a cathode tube having a gas feed portion and a plasma outflow portion; an outer annular cathode insert in the plasma outflow portion of the cathode tube; an inner cathode insert in the plasma outflow section of the cathode tube; and an annular plasma emission portion defined between an inner surface of the outer annular cathode insert and an outer surface of the inner cathode insert.