Abstract: For artificial reality (XR) applications that need a guardian, aspects of the present disclosure can automatically determine where boundaries should be set in the real-world environment. Using a machine learning model, the automatic boundary system can detect the floor plane, then generate a height map of the real-world environment with the floor at zero. The height map can include positive heights (e.g., objects on the floor) and negative heights (e.g., downward leading stairs). The automatic boundary system can then generate a boundary for the area based on the detected heights by: applying thresholds to disregard objects at certain heights, applying thresholds to disregard open areas at certain widths, excluding oddly shaped areas that would constantly trigger the boundary if the user were nearby, etc. The user can further manually adjust the generated boundary in both directions (e.g., bringing it closer or further from the user).

Abstract: Instead of having a constant boundary, artificial reality (XR) applications that can run in boundaryless mode (e.g., in augmented or mixed reality) can be given controls by selective boundary system on an XR system to customize partial boundaries. For example, an application can specify to select particular boundaries when certain object types are in the real-world environment. In another example, an application can transition to different boundary modes when certain application events occur (e.g., when transitioning from virtual reality to mixed reality). On the backend, the selective boundary system can provide the application with an API that exposes boundary information. Based on this information, the application can use the API to create new boundaries or turn on or off certain boundaries based on requests by the application.

Abstract: This disclosure is related to a method of sequencing a single-stranded DNA using deoxynucleotide polyphosphate analogues and translocation of tags from incorporated deoxynucleotide polyphosphate analogues through a nanopore.

Abstract: Methods for analyzing an accumulation of particles on a filter membrane involve analyzing comprise the particle accumulation in an optical analysis system using a light microscope, and then analyzing the particle accumulation in an SEM-EDX analysis system using a scanning electron microscope and energy-dispersive X-ray spectroscopy. In order to simplify and accelerate the testing of the filter membrane both in the optical analysis system and in the SEM-EDX system, the filter membrane is subject to a preparation which includes: (i) fixing the particles to the filter membrane, (ii) coating the particle accumulation with an electrically conductive coating which is produced from a conductivity solution that contains an ionic liquid, and (iii) holding the filter membrane flat or pulling the filter membrane taut.

Abstract: Methods for analyzing an accumulation of particles on a filter membrane involve analyzing comprise the particle accumulation in an optical analysis system using a light microscope, and then analyzing the particle accumulation in an SEM-EDX analysis system using a scanning electron microscope and energy-dispersive X-ray spectroscopy. In order to simplify and accelerate the testing of the filter membrane both in the optical analysis system and in the SEM-EDX system, the filter membrane is subject to a preparation which includes: (i) fixing the particles to the filter membrane, (ii) coating the particle accumulation with an electrically conductive coating which is produced from a conductivity solution that contains an ionic liquid, and (iii) holding the filter membrane flat or pulling the filter membrane taut.

Abstract: The present invention relates to a method and system for allowing a user to access multiple services by providing an access code having a monetary balance associated therewith. A first monetary amount, which is not greater than the monetary balance of the access code, is assigned to a first account balance associated with the access code and usable only in conjunction with a first service. A second monetary amount, which is not greater than the monetary balance of the access code, is assigned to a second account balance associated with the access code and usable only in conjunction with a second service, which is different from the first service. In this manner, the access code can be used by the user to redeem the monetary balance in conjunction with both the first service and the second service.

Abstract: A gas conveying means and more particularly a gas conveying means such as a flue or duct having an improved damper valve and improved operating means therefor.