Abstract: Various techniques are provided to determine the presence of trace chemicals corresponding to various materials of interest. In one example, a method includes providing a chemical reporter of a chemical detector. The chemical reporter includes protonated 2-[5-methoxy-2-(4-phenyl-quinoline-2yl)-phenyl]-ethanol. A vapor-phase amine compound is subsequently received at the chemical reporter. The chemical detector then detects a response of the chemical reporter to the amine compound to determine whether materials of interest are present. Additional methods and related devices are also provided.

Abstract: Apparatuses, methods, and systems for detecting a substance are disclosed. One system includes a light source, an optical cavity, a cavity detector, and a processor. The light source generates a beam of electro-magnetic radiation, wherein a wavelength of the beam of electro-magnetic radiation is tuned to operate at multiple wavelengths. The optical cavity receives the beam of electro-magnetic radiation, wherein the physical characteristics of the cavity define a plurality of allowed axial-plus-transverse electro-magnetic radiation modes, wherein only a subset of the allowed axial-plus-transverse electro-magnetic radiation modes are excited when the optical cavity receives the beam of electro-magnetic radiation. The cavity detector senses electro-magnetic radiation emanating from the optical cavity.

Abstract: Techniques are disclosed for systems and methods to detect radiation accurately, and particularly in a highly radioactive environment. A system includes a detector module for a radiation detector and a parallel signal analyzer configured to receive radiation detection event signals from the detector module and provide a spectroscopy output and a dose rate output. The parallel signal analyzer may be configured to analyze the radiation detection event signals in parallel in first and second analysis channels according to respective first and second measurement times and determine the spectroscopy output and the dose rate output based on radiation detection event energies determined according to the respective first and second measurement times.

Abstract: A leak detecting device for a fluid filled vessel including a housing, a clamp, a resilient member, and an opening. The housing has a continuous perimeter edge sized to extend around an underwater surface, the housing forming a hollow interior. The clamp secures to the housing. The resilient member secures to the perimeter edge of the housing and is adapted to contact and form a seal between the housing and the underwater surface. The opening is formed through an entirety of a wall of the housing, wherein the opening is accessible from an exterior of the housing.

Abstract: An intermittent sample inlet device and methods for use of the intermittent sample inlet device are described that include an orifice plate with an entrance orifice and a rotating skimmer with a skimmer orifice, where the rotating skimmer is disposed between the orifice plate and a vacuum chamber wall. The rotating skimmer rotates so that the skimmer orifice intermittently aligns with the entrance orifice and allows an ion sample to pass through to a mass analyzer.

Abstract: A method for efficiently decontaminating surfaces is provided comprising applying an indicator to a surface wherein the indicator provides an observable or machine readable response when a contamination is present on the surface, wherein the response is located relative to a location of the contamination; and decontaminating the location of the contamination, and optionally rechecking the location of the initial contamination post decontamination to ensure that the surface is free of contamination.

Abstract: Apparatuses, methods, and systems for detecting a substance are disclosed. One system includes a light source, an optical cavity, a cavity detector, and a processor. The light source generates a beam of electro-magnetic radiation, wherein a wavelength of the beam of electro-magnetic radiation is tuned to operate at multiple wavelengths. The optical cavity receives the beam of electro-magnetic radiation, wherein the physical characteristics of the cavity define a plurality of allowed axial-plus-transverse electro-magnetic radiation modes, wherein only a subset of the allowed axial-plus-transverse electro-magnetic radiation modes are excited when the optical cavity receives the beam of electro-magnetic radiation. The cavity detector senses electro-magnetic radiation emanating from the optical cavity.

Abstract: Apparatuses, methods, and systems for generating signatures based on sensing one or more gas concentration conditions are disclosed. One method includes sensing, by one or more sensors, levels of a gas over time for a plurality of gas concentration conditions, receiving, by a controller, the sensed levels of gas over time for the plurality of gas concentration conditions, and generating, by the controller, a plurality of signatures, wherein one or more signatures is generated for one or more gas concentration conditions based on the sensed levels of gas over time, and determining whether to take action or not to take action.

Abstract: A method and system for analyzing a sample potentially comprising a target, comprising: (i) activating one or more components of the sample analysis system in preparation for a sample, wherein the sample analysis system comprises a heating element, a centrifuge, a thermocycler, an imager, a user interface, and a processor; (ii) obtaining a sample potentially comprising a target; (iii) adding the obtained sample to a sample preparation receptacle, the sample preparation receptacle comprising one or more reagents configured to maximize success of the sample analysis; (iv) heating the sample preparation receptacle, with the added sample, in the heating element of the sample analysis system at a first temperature for a first heating period of time; (v) centrifuging the sample preparation receptacle, after heating, for a first period of time using the centrifuge of the sample analysis system; (vi) transferring at least a portion of the sample, after centrifugation, from the sample preparation receptacle to a sampl

Abstract: A leak detecting device for a fluid filled vessel including a housing having a continuous perimeter edge sized to extend around an underwater surface, the housing forming a hollow interior, an anchoring attachment extending through an aperture in the housing for immovably anchoring the housing to the underwater surface, a resilient member secured to the perimeter edge of the housing and adapted to contact and form a seal between the housing and the underwater surface, and an inlet forming an opening through an entirety of a wall of the housing accessible from an exterior of the housing.

Abstract: Devices, systems and methods for detecting molecules in a solid state using UV lights in a dry condition are provided. Interaction between a plurality of molecules, a conformational change of a molecule, a size difference between a plurality of molecules and a presence of a molecule can be detected in a dry environment by measuring a light absorption in at least one of light transmission mode and light reflection mode. In a preferred embodiment, the measurement of a light absorption is performed at a wavelength of ultraviolet light between 260 nm and 285 nm.

Abstract: A leak detecting device for a fluid filled vessel including a housing, tube, anchoring attachment, resilient member, and opening. The housing has a continuous perimeter edge sized to extend around an underwater surface, the housing forming a hollow interior. The tube extends through an aperture into the hollow interior of the housing, having a first end on an interior side of the housing and a second end on an exterior side of the housing. The anchoring attachment is secured to the first end of the tube. The resilient member is secured to the perimeter edge of the housing and adapted to contact and form a seal between the housing and the underwater surface. The opening is formed through an entirety of a wall of the housing, wherein the opening is accessible from an exterior of the housing.

Abstract: A leak detecting device for a fluid filled vessel including a housing, a clamp, a resilient member, and an opening. The housing has a continuous perimeter edge sized to extend around an underwater surface, the housing forming a hollow interior. The clamp secures to the housing. The resilient member secures to the perimeter edge of the housing and is adapted to contact and form a seal between the housing and the underwater surface. The opening is formed through an entirety of a wall of the housing, wherein the opening is accessible from an exterior of the housing.

Abstract: Various techniques are provided to permit location agnostic playback of local video files on mobile devices used in the field. For example, such local video files may include recordings of real world human interactions with the mobile device demonstrating a plurality of tasks using the mobile device. The local video files may be used, for example, for in field training of the users without requiring access to communication resources while in the field. In some cases, the local video files may be implemented in a language agnostic manner to permit users to be trained effectively in the field without requiring language translation.

Abstract: The present teachings relate generally to a small remote vehicle having rotatable flippers and a weight of less than about 10 pounds and that can climb a conventional-sized stairs. The present teachings also relate to a small remote vehicle can be thrown or dropped fifteen feet onto a hard/inelastic surface without incurring structural damage that may impede its mission. The present teachings further relate to a small remote vehicle having a weight of less than about 10 pounds and a power source supporting missions of at least 6 hours.

Abstract: An unmanned ground vehicle includes a main body, a drive system supported by the main body, and a manipulator arm pivotally coupled to the main body. The drive system comprising right and left driven track assemblies mounted on right and left sides of the main body. The manipulator arm includes a gripper, a wrist motor configured for rotating the gripper, and an inline camera in a palm of the gripper. The inline camera is mechanically configured to remain stationary with respect to the manipulator arm while the wrist motor rotates the gripper.

Abstract: This specification describes unmanned ground vehicle track systems. In some examples, an unmanned ground vehicle includes a frame having right and left sides and right and left track assemblies, each track assembly being coupled to a corresponding side of the frame in parallel with the other track assembly. Each track assembly includes a drive pulley coupled to the corresponding side of the frame and a track including a continuous flexible belt supported by the drive pulley. The track includes an interior surface engaged with the drive pulley and an exterior surface opposite the interior surface, and the exterior surface of the track includes a plurality of flexible bristles. The unmanned ground vehicle includes one or more drive motors configured to drive the drive pulleys of the right and left track assemblies.

Abstract: An auditing system (10) is provided for detecting at least one unauthorized operational activity in at least one website, and includes a processor coupled to at least one database (34) for storing data related to the at least one unauthorized operational activity. The processor is programmed to detect the at least one unauthorized operational activity in the at least one website using a monitoring module (22) configured to monitor the at least one website via a network (16) and provide unauthorized operational status information about the at least one website using a plurality of status messages generated based on the data, and a detection module (24) configured to examine the plurality of status messages and detect an anomaly caused by the at least one unauthorized operational activity.

Abstract: The invention provides for a multiple analyte detector that is capable of detecting and identifying explosive, chemical or biological substances having multiple analytes with a single system having multiple reporters. The reporters include fluorescent polymers, conducting polymers, metal oxide elements, electrochemical cells, etc. The reporters may be combinations of other reporters that are optimized for broadband detection.

Abstract: Techniques are disclosed for systems and methods to provide a radiation detector module for a radiation detector. A radiation detector module an enclosure, a radiation sensor separated from the enclosure by one or more damping inserts, readout electronics configured to provide radiation detection event signals corresponding to incident ionizing radiation in the radiation sensor, and a cap comprising an internal interface configured to couple to the readout electronics and an external interface configured to couple to a radiation detector, wherein the cap is configured to hermetically seal the radiation sensor within the enclosure. Plated edges of the cap can be soldered to the enclosure to hermetically seal the radiation sensor within the enclosure.