Abstract: A facility (e.g., data center) for more efficient cooling of computing devices is disclosed. In one embodiment, the data center comprises a set of external walls, a ceiling connected to the external walls and having circular exhaust openings, and one or more pods positioned within the external walls and below the ceiling. A set of flexible tubes are used to connect the pod exhaust openings to the ceiling openings. Actuating closures may be used (e.g., at one end of each of the tubes) to control airflow, and air pressure sensors may be placed near or inside one or more of the tubes. A controller may be configured to receive air pressure data from the air pressure sensors and adjust the actuating closures to maintain a desired air pressure level. In some examples, the actuating closure may have a normally closed position when power is not applied.

Abstract: Provided herein is a recanalization system including (i) a handle located at a proximal end of the system, (ii) a first elongate member, (iii) a second elongate member, the first and second elongate members being movable relative to each other elongate member, and (iv) a recanalization device located at a distal end of the system. The recanalization device includes (i) a first end portion coupled to the first elongate member, (ii) a second end portion coupled to the second elongate member, and (iii) at least one strut extending between the first and second end portions. The recanalization device is configured to be (i) selectively radially expanded and compressed and (ii) axially moved relative to the first and second elongate members.

Abstract: A method for aligning a tree within a resource extraction system includes disposing a riser system on a wellhead of the resource extraction system without utilizing a mechanical alignment system to circumferentially align the riser system with the wellhead. The method also includes disposing a tubing hanger at a landed position within the wellhead. In addition, the method includes disposing an orientation mechanism on the wellhead. The orientation mechanism includes an alignment feature configured to engage a corresponding alignment feature of the tree. Furthermore, the method includes moving the tree toward the wellhead such that the alignment feature of the tree engages the alignment feature of the orientation mechanism to approximately establish a target circumferential orientation of the tree relative to the tubing hanger.

Abstract: A quantum simulation method for solving a computational problem using a solid-state quantum system, the method comprising the steps of: passing a laser through a material; in the material, evolving at least some of a plurality of atoms in a first state into at least some of a plurality of atoms in a second state upon receiving energy from the laser to form at least one exciton; selecting at least one exciton site on the material wherein the at least one exciton site is separated from a neighbouring at least one exciton site by a distance less than a Rydberg blockade radius; mapping the computational problem into a problem Hamiltonian of the solid-state quantum system; measuring at least a portion of plurality of the at least one excitons to obtain a read-out of the solid-state quantum system; and determining a solution to the computational problem from the read-out.

Abstract: A circulator includes a central circuit having a first superconducting island, a second superconducting island, a third superconducting island, and a central island, each in electrical communication with each other via a plurality of Josephson junctions.

Abstract: Systems, methods and devices for distributed memory management comprising a network component configured for network communication with one or more memory resources that store data and one or more consumer devices that use data, the network component comprising a switching device in operative communication with a mapping resource, wherein the mapping resource is configured to associate mappings between data addresses associated with memory requests from a consumer device relating to a data object and information relating to a storage location in the one or more memory resources associated with the data from the data object, wherein each data address has contained therein identification information for identifying the data from the data object associated with that data address; and the switching device is configured to route memory requests based on the mappings.

Abstract: A distributed computing system for automatic constraint-based data resource arrangement, comprising a plurality of computing components being communicatively coupled to each other, each computing component comprising the following data resources: data storage media for storing client-related digital information, a data processor for processing said client-related digital information, and a network communications interface for communicating said client-related digital information; and a constraint engine for automatically determining alternate arrangements of said data resource assignments, said constraint engine comprising a constraint processor and a constraint database, said constraint database for receiving and storing changeable digital constraint parameters indicative of permissible operational constraints on said data resources, wherein said alternate arrangements comply with at least a first set of said changeable digital constraint parameters; wherein said data resource assignments are reassigned from

Abstract: Disclosed are methods and systems for of determining snapshot storage space consumption in a data storage system, a snapshot being a representation of a given state of a data object comprising of direct references to data blocks for data that has been changed from a prior state and indirect references to existing direct references in the prior state for unchanged data, the method comprising the steps: for each write of data to a given snapshot of the data object, storing unique address information relating to the unique direct references for said writes, said unique address information comprising at least a count of unique direct references; upon generating a further snapshot of a prior snapshot, retaining said prior snapshot and unique address information in storage as read-only access; and determining a count of unique direct references for all snapshots relating to the data object based on the stored unique address information.

Abstract: Systems, methods and devices for distributed memory management comprising a network component configured for network communication with one or more memory resources that store data and one or more consumer devices that use data, the network component comprising a switching device in operative communication with a mapping resource, wherein the mapping resource is configured to associate mappings between data addresses associated with memory requests from a consumer device relating to a data object and information relating to a storage location in the one or more memory resources associated with the data from the data object, wherein each data address has contained therein identification information for identifying the data from the data object associated with that data address; and the switching device is configured to route memory requests based on the mappings.

Abstract: A distributed computing system for automatic constraint-based data resource arrangement, comprising a plurality of computing components being communicatively coupled to each other, each computing component comprising the following data resources: data storage media for storing client-related digital information, a data processor for processing said client-related digital information, and a network communications interface for communicating said client-related digital information; and a constraint engine for automatically determining alternate arrangements of said data resource assignments, said constraint engine comprising a constraint processor and a constraint database, said constraint database for receiving and storing changeable digital constraint parameters indicative of permissible operational constraints on said data resources, wherein said alternate arrangements comply with at least a first set of said changeable digital constraint parameters; wherein said data resource assignments are reassigned from

Abstract: A grasp management system and corresponding methods are described. In some examples, information about a set of grasps of a robotic manipulator is accessed. The information is used by the robotic manipulator to attempt to grasp an item using the set of grasps associated with a first grasping orientation. An orientation of the robotic manipulator can be adjusted into a second grasping orientation and the robotic manipulator can attempt to grasp the item using the set of grasps associated with the second grasping orientation. Information about the attempts can be recorded and used to determine a richness measure that may represent a richness of the set of grasps for the item.

Abstract: An optomechanical reference includes a basal member; a flexure that includes: a floating link; a first flexural member; and a second flexural member such that: the floating link is moveably disposed; a first stator; a second stator; a first cavity including: a first primary mirror; a first secondary mirror; a first optical coupler in optical communication with the first secondary mirror; and a first cavity length; and a second cavity including: a second primary mirror; a second secondary mirror; a second optical coupler; and a second cavity length.

Abstract: Systems, methods and devices for distributed memory management comprising a network component configured for network communication with one or more memory resources that store data and one or more consumer devices that use data, the network component comprising a switching device in operative communication with a mapping resource, wherein the mapping resource is configured to associate mappings between data addresses associated with memory requests from a consumer device relating to a data object and information relating to a storage location in the one or more memory resources associated with the data from the data object, wherein each data address has contained therein identification information for identifying the data from the data object associated with that data address; and the switching device is configured to route memory requests based on the mappings.

Abstract: An optomechanical reference includes a basal member; a flexure that includes: a floating link; a first flexural member; and a second flexural member such that: the floating link is moveably disposed; a first stator; a second stator; a first cavity including: a first primary mirror; a first secondary mirror; a first optical coupler in optical communication with the first secondary mirror; and a first cavity length; and a second cavity including: a second primary mirror; a second secondary mirror; a second optical coupler; and a second cavity length.

Abstract: A distributed computing system for automatic constraint-based data resource arrangement, comprising a plurality of computing components being communicatively coupled to each other, each computing component comprising the following data resources: data storage media for storing client-related digital information, a data processor for processing said client-related digital information, and a network communications interface for communicating said client-related digital information; and a constraint engine for automatically determining alternate arrangements of said data resource assignments, said constraint engine comprising a constraint processor and a constraint database, said constraint database for receiving and storing changeable digital constraint parameters indicative of permissible operational constraints on said data resources, wherein said alternate arrangements comply with at least a first set of said changeable digital constraint parameters; wherein said data resource assignments are reassigned from

Abstract: Systems, methods and devices for management of instances of virtual memory components for storing computer readable information for use by at least one first computing device, the system comprising at least one physical computing device, each physical computing device being communicatively coupled over a network and comprising: a physical memory component, a computing processor component, an operating system, a virtual machine monitor, and virtual memory storage appliances; at least one of the virtual memory storage appliances being configured to (a) accept memory instructions from the at least one first computing device, (b) instantiate instances of at least one virtual memory component, (c) allocate memory resources from at least one physical memory component for use by any one of the least one virtual memory components, optionally according to a pre-defined policy; and (d) implement memory instructions on the at least one physical memory component.

Abstract: A grasp management system and corresponding methods are described. In some examples, information about a grasp by which an end of arm tool of a robotic manipulator successfully grasped an item is accessed. The grasp may be associated with contact points on the item. Other contact points may be simulated based on the contact points in order to define a grasping surface that includes at least a portion of the other contact points. Information about the grasping surface may be accessed to determine a primitive shape that represents a feature of the item. The primitive shape may be used determine other features on the item or other features on other items that may also be graspable by the end of arm tool or other end of arm tools.

Abstract: A distributed computing system for automatic constraint-based data resource arrangement, comprising a plurality of computing components being communicatively coupled to each other, each computing component comprising the following data resources: data storage media for storing client-related digital information, a data processor for processing said client-related digital information, and a network communications interface for communicating said client-related digital information; and a constraint engine for automatically determining alternate arrangements of said data resource assignments, said constraint engine comprising a constraint processor and a constraint database, said constraint database for receiving and storing changeable digital constraint parameters indicative of permissible operational constraints on said data resources, wherein said alternate arrangements comply with at least a first set of said changeable digital constraint parameters; wherein said data resource assignments are reassigned from