Abstract: Wearable technologies, such as wearable health monitors, and methods of use are provided. In some embodiments, the wearable technology can be worn at the wrist of an individual and can use an accelerometer, pulse oximeter, and electrocardiogram to measure heart rate, oxygen saturation, blood pressure, pulse wave velocity, and activity. This information can then be provided to the individual. The individual can alter their behaviors and relationships with their own health by using features such as notifications and auto-tagging to better understand their own stress, diet, sleep, and exercise levels over various time periods and subsequently make appropriate behavioral changes.

Abstract: An event related optical signal, EROS, neuroimaging and analysis system for monitoring activity of a subject's brain, the system comprising: a first wavelength-swept light source configured to provide wavelength-swept emission of coherent light; and a plurality of light detectors; wherein the first wavelength-swept light source is arranged to both: (i) deliver the light towards the subject's brain tissue to be scattered to the detectors, and (ii) deliver the light to each of the detectors via one or more reference channels; wherein each of the light detectors comprises: a first input port arranged to receive scattered light from the subject's brain tissue; a second input port coupled to one of the reference channels to receive reference light from the first light source; a light combiner connected to both the first input port and the second input port for combining the scattered light received from the subject's brain tissue with the reference light received from the reference channel to provide a combined li

Abstract: A holographic display system for attaching to a firearm provides a user with enhanced target acquisition information, such as real time ballistic solutions, fused thermal imaging, extended zoom, and automatic target recognition. The holographic display system may include a waveguide, a light engine, holographic optical element, a casing and a coupler. The holographic optical element is positioned between the light engine and the waveguide and the coupler is attached to the casing, The light engine is configured to generate and transmit displayable information to the holographic optical element, and the holographic optical element includes a diffractive grating configured to guide the displayable information into the waveguide. The waveguide is configured to propagate the displayable information and transmit the displayable information as a distant image to a user of the holographic display system.

Abstract: An interferometric near infrared spectroscopy, iNIRS, system comprising: a light emitting arrangement comprising a light source configured to provide wavelength swept emission of light; and a light detecting arrangement comprising an interferometric optical detector; the iNIRS system comprising a plurality of optical channels arranged to define; a first optical channel path arranged to extend: (i) between the light source and the object for delivering first sample light from the light source to the object, and (ii) between the object and the detector for delivering first sample light received from the object to the detector; a second optical channel path arranged to extend: (i) between the light source and the object for delivering second sample light from the light source to the object, and (ii) between the object and the detector for delivering second sample light received from the object to the detector; and a reference optical channel path arranged to extend between the light source and the detector for d

Abstract: An imaging system comprising: a light source configured to provide wavelength-swept emission of light; a sample delivery channel coupled to the light source and arranged to be coupled to an object to be imaged to direct light from the light source towards said object; a reference channel coupled to the light source for receiving light therefrom; a sample receiving channel arranged to be coupled to the object to be imaged for receiving sample light from the object; a detector coupled to the sample receiving channel for receiving sample light, and coupled to the reference channel for receiving reference light, wherein the detector is arranged to combine the received sample light with the reference light to provide a combined light signal comprising one or more components at a beat frequency between sample light and reference light; and a lock-in amplifier arranged to: (i) receive a detection signal based on the combined light signal and formed of one or more components at different frequencies, (ii) receive a s

Abstract: An interferometric near infrared spectroscopy, iNIRS, system comprising: a light emitting arrangement comprising a light source configured to provide wavelength swept emission of light; and a light detecting arrangement comprising an interferometric optical detector; the iNIRS system comprising a plurality of optical channels arranged to define: a first optical channel path arranged to extend: (i) between the light source and the object for delivering first sample light from the light source to the object, and (ii) between the object and the detector for delivering first sample light received from the object to the detector; a second optical channel path arranged to extend: (i) between the light source and the object for delivering second sample light from the light source to the object, and (ii) between the object and the detector for delivering second sample light received from the object to the detector; and a reference optical channel path arranged to extend between the light source and the detector for d

Abstract: An aspect of the disclosure provides a non-invasive intracranial pressure sensing apparatus comprising an interferometric near infrared spectroscopy, iNIRS system, the iNIRS system comprising: a light emitting arrangement comprising: a light source configured to emit light; a sample delivery channel coupled to the light source and arranged to be coupled to the subject's scalp to direct light from the light source towards the subject's brain tissue; and a reference channel coupled to the light source for receiving light therefrom; a light detecting arrangement configured to be coupled to the subject's scalp and the light emitting arrangement, the light detecting arrangement comprising an interferometric optical detector configured to receive: (i) reference light from the reference channel, and (ii) sample light from the subject's brain, the sample light comprising light emitted from the light source; wherein the optical detector is arranged to combine the sample light with the reference light to provide combin

Abstract: The present disclosure provides materials and methods for separating organisms from various other components of a composition. In particular, the present disclosure provides devices, systems, and methods for separating and washing helminths from contaminants such as bacteria.

Abstract: A listening device for tracking locations of a tracking device in a physical space includes one or more wireless transceivers, one or more sensors, and one or more processors. The processors generate positional indicators associated with the listening device based on signals generated by the one or more sensors, based on communications with an external device, or both. The listening device communicates with the tracking device to receive a tracking signal, based on which the processors identify a position of the tracking device relative to the listening device. The tracking device is located within the physical space based on the identified position of the tracking device relative to the listening device and the positional indicators associated with the listening device.

Abstract: Apparatus and methods for spectral analysis of a sample are described, for example for carrying out Raman or other optical or spectroscopic analysis of samples such as pharmaceutical dosage forms, including oral solid dosage forms such as tablets or capsules. Such apparatus may comprise delivery optics arranged to direct probe light to a delivery region of the sample, collection optics arranged to collect probe light scattered from a collection region of the sample, and a spectrometer having an entrance port, the spectrometer being arranged to receive the collected probe light from the collection optics at the entrance port of the spectrometer, and to detect spectral features in the received probe light. In particular, the collection optics may comprise Koehler integration optics arranged to process the collected probe light such that the collected light from each point of the collection region is distributed across the entrance port of the spectrometer.

Abstract: A listening device for tracking locations of a tracking device in a physical space includes one or more wireless transceivers, one or more sensors, and one or more processors. The processors generate positional indicators associated with the listening device based on signals generated by the one or more sensors, based on communications with an external device, or both. The listening device communicates with the tracking device to receive a tracking signal, based on which the processors identify a position of the tracking device relative to the listening device. The tracking device is located within the physical space based on the identified position of the tracking device relative to the listening device and the positional indicators associated with the listening device.

Abstract: An aspect of the disclosure provides an interferometric near infrared spectroscopy, iNIRS, system comprising: a light emitting arrangement comprising: a first light source configured to provide wavelength-swept emission of light through a plurality of different wavelengths in a first wavelength range; a second light source configured to provide wavelength-swept emission of light through a plurality of different wavelengths in a second wavelength range different to the first wavelength range; a common sample delivery channel coupled to each of the first and second light sources to receive light therefrom and to deliver said light towards a subject; and one or more reference channels for receiving reference light from the first light source and/or the second light source; a light detecting arrangement comprising an interferometrie optical detector; wherein the optical detector is coupled to the one or more reference channels for receiving reference light from the first and second light sources; wherein the ligh

Abstract: A method of preparing a neuroimaging system for neuroimaging and analysis of a subject's brain tissue, the neuroimaging system comprising a plurality of optical elements, wherein each optical element comprises one of: (i) a light source for emitting light towards the subject's brain tissue, or (ii) a light detector for detecting scattered light from the subject's brain tissue, the method comprising: placing optical elements on the subject's scalp to provide at least one source-detector pair where a light source on the subject's scalp is arranged to emit light towards the subject's brain tissue and a detector on the subject's scalp is arranged to detect scattered light from the subject's brain tissue which was emitted from that light source: wherein placing an optical element on the subject's scalp comprises: first, arranging said optical element at a selected location on the subject's scalp for providing at least one source-detector pair; and then, performing an iterative optical element arrangement adjustmen

Abstract: An event related optical signal, EROS, neuroimaging and analysis system for monitoring activity of a subject's brain, the system comprising: a first wavelength-swept light source configured to provide wavelength-swept emission of coherent light; and a plurality of light detectors; wherein the first wavelength-swept light source is arranged to both: (i) deliver the light towards the subject's brain tissue to be scattered to the detectors, and (ii) deliver the light to each of the detectors via one or more reference channels; wherein each of the light detectors comprises: a first input port arranged to receive scattered light from the subject's brain tissue; a second input port coupled to one of the reference channels to receive reference light from the first light source; a light combiner connected to both the first input port and the second input port for combining the scattered light received from the subject's brain tissue with the reference light received from the reference channel to provide a combined li

Abstract: A listening device for tracking locations of a tracking device in a physical space includes one or more wireless transceivers, one or more sensors, and one or more processors. The processors generate positional indicators associated with the listening device based on signals generated by the one or more sensors, based on communications with an external device, or both. The listening device communicates with the tracking device to receive a tracking signal, based on which the processors identify a position of the tracking device relative to the listening device. The tracking device is located within the physical space based on the identified position of the tracking device relative to the listening device and the positional indicators associated with the listening device.

Abstract: A listening device for tracking locations of a tracking device in a physical space includes one or more wireless transceivers, one or more sensors, and one or more processors. The processors generate positional indicators associated with the listening device based on signals generated by the one or more sensors, based on communications with an external device, or both. The listening device communicates with the tracking device to receive a tracking signal, based on which the processors identify a position of the tracking device relative to the listening device. The tracking device is located within the physical space based on the identified position of the tracking device relative to the listening device and the positional indicators associated with the listening device.

Abstract: Wearable technologies, such as wearable health monitors, and methods of use are provided. In some embodiments, the wearable technology can be worn at the wrist of an individual and can use an accelerometer, pulse oximeter, and electrocardiogram to measure heart rate, oxygen saturation, blood pressure, pulse wave velocity, and activity. This information can then be provided to the individual. The individual can alter their behaviors and relationships with their own health by using features such as notifications and auto-tagging to better understand their own stress, diet, sleep, and exercise levels over various time periods and subsequently make appropriate behavioral changes.

Abstract: Wearable technologies, such as wearable health monitors, and methods of use are provided. In some embodiments, the wearable technology can be worn at the wrist of an individual and can use an accelerometer, pulse oximeter, and electrocardiogram to measure heart rate, oxygen saturation, blood pressure, pulse wave velocity, and activity. This information can then be provided to the individual. The individual can alter their behaviors and relationships with their own health by using features such as notifications and auto-tagging to better understand their own stress, diet, sleep, and exercise levels over various time periods and subsequently make appropriate behavioral changes.

Abstract: The bowl with attachable grinder for use with a pipe is a mechanical structure. The bowl with attachable grinder for use with a pipe claims the benefit of United States 35 USC 120 from non-provisional application U.S. Ser. No. 16/253,282 filed on Jan. 22, 2019. The prior disclosure comprises a partitioned bowl. A gas phase of a pharmacologically active media generated by the combustion of a smoking material passes through the partitioned bowl. The bowl with attachable grinder for use with a pipe comprises an exterior screw thread and a burr grinder. The exterior screw thread removably attaches the burr grinder to the prism structure of the partitioned bowl. The burr grinder grinds the smoking material in preparation for the combustion of the smoking material within the partitioned bowl. The burr grinder deposits the ground smoking material directly into the prism structure of the partitioned bowl.

Abstract: Apparatus and methods for spectral analysis of a sample are described, for example for carrying out Raman or other optical or spectroscopic analysis of samples such as pharmaceutical dosage forms, including oral solid dosage forms such as tablets or capsules. Such apparatus may comprise delivery optics arranged to direct probe light to a delivery region of the sample, collection optics arranged to collect probe light scattered from a collection region of the sample, and a spectrometer having an entrance port, the spectrometer being arranged to receive the collected probe light from the collection optics at the entrance port of the spectrometer, and to detect spectral features in the received probe light. In particular, the collection optics may comprise Koehler integration optics arranged to process the collected probe light such that the collected light from each point of the collection region is distributed across the entrance port of the spectrometer.