Abstract: There is provided an anti-siphon device for securing in a fluid tank inlet. The anti-siphon device comprises a housing, an inlet to the housing adapted to receive a fluid dispensing nozzle, the inlet at a proximal end of the hosing, and an outlet at a distal end of the housing. The anti-siphon device further comprises an obstruction disposed within the housing, where an outer surface of the obstruction and an inner wall of the housing define a first flow passageway. The obstruction comprises, a chamber disposed within the obstruction and configured to receive fluid, an inlet aperture in a first portion of the obstruction, and an outlet aperture in a second portion of the obstruction, where the inlet aperture, chamber, and outlet aperture define a second flow passageway, the second flow passageway being configured such that, in use, fluid can flow from the inlet aperture to the outlet aperture via the second flow passageway, whilst flows from the inlet to the outlet via the first flow passageway.

Abstract: A networking system may include a first network such as a private cloud network and a second network such as a public cloud network. The first network may include a switch coupled to a computing resource. To facilitate a robust and flexible inter-network connection, the networking system may include network connector circuitry having a connector endpoint at the first network and a network connector coupling the connector endpoint to a network element at the second network. A controller for the first network may provide control signals and configuration data to the network connector circuitry to form the connection to the second network and may configure the switch to forward external network traffic to and from the connector endpoint via a switch port directly coupled to the connector endpoint.

Abstract: A networking system may include a switch coupled to a computing resource. A resource management system may control the computing resource. A controller may be coupled to the switch. The controller may include a resource management interface that is coupled to the resource management system via a communications link. The resource management interface may receive computing resource information for the computing resource via the communications link. The controller may provide control data to the switch to update a cloud network for the computing resource based on the received computing resource information.

Abstract: A packet forwarding network may include spine and leaf switches that forward network traffic between end hosts. The packet forwarding network may be implemented on multiple network racks in a rack-based system. A controller may control the underlying spine and leaf switches to form on-premise virtual private cloud (VPC) resources. In particular, the controller may form enterprise VPC (EVPC) tenants, each having a virtual router that performs routing between different segments within the corresponding EVPC tenant. The different segments may separately include web, application, and database servers, as end hosts. The controller may form a system VPC tenant having a virtual system router that performs routing between different EVPC tenants. A segment in an internal VPC tenant formed by the controller and/or an external VPC tenant formed by the controller may provide external network access for one or more of the EVPC tenants.

Abstract: An electric propulsion system of an aircraft includes an electrical generator and a cooling device of the electrical generator. It further includes at least one thermoacoustic engine and a heat transfer circuit configured to transport heat dissipated by the electrical generator to the thermoacoustic engine. The cooling device of the electrical generator is at least partially powered by energy from the thermoacoustic engine.

Abstract: A plant for delivering hydrogen includes a hydrogen tank and at least one pipe for delivering hydrogen. At least one surface of the hydrogen tank or of the hydrogen delivery pipe is covered with a two-dimensional material mixed with a polydopamine-type polymer.

Abstract: There is provided an anti-siphon device for securing in a fluid tank inlet. The anti-siphon device comprises a housing, an inlet to the housing adapted to receive a fluid dispensing nozzle, the inlet at a proximal end of the hosing, and an outlet at a distal end of the housing. The anti-siphon device further comprises an obstruction disposed within the housing, where an outer surface of the obstruction and an inner wall of the housing define a first flow passageway. The obstruction comprises, a chamber disposed within the obstruction and configured to receive fluid, an inlet aperture in a first portion of the obstruction, and an outlet aperture in a second portion of the obstruction, where the inlet aperture, chamber, and outlet aperture define a second flow passageway, the second flow passageway being configured such that, in use, fluid can flow from the inlet aperture to the outlet aperture via the second flow passageway, whilst fluid flows from the inlet to the outlet via the first flow passageway.

Abstract: A method for applying a coating to at least one face of a substrate made of thermoplastic composite material, wherein the method includes a step of applying an adhesive polydopamine layer to the face of the substrate before applying the coating to enhance the adhesion of the coating to the substrate. A thermoplastic composite material substrate thus coated is provided. A method for applying a coating to a composite material panel forming part of the outer skin of an aircraft is provided, wherein a zinc or graphene particle-filled adhesive polydopamine layer is applied to the panel before the coating is applied to enhance the adhesion thereof to the panel. An aircraft comprising a panel thus coated is provided.

Abstract: A fuel tank inlet assembly comprising a fuel tank inlet (200) defining an opening. The fuel tank inlet is configured for receipt by an aperture of the fuel tank (400). An anti-siphon device (300) is configured for receipt by the fuel tank inlet. The anti-siphon device defines an inlet aperture and comprises an anti-siphon portion configured to inhibit the passage of a siphon tube through the anti-siphon device. The fuel tank inlet comprises a first locking portion (206) and the anti-siphon device defines a second locking portion (307) configured to engage the first locking portion so as to secure the anti-siphon device to the fuel tank inlet such that the anti-siphon device is positioned within the fuel tank inlet entirely beyond the opening.

Abstract: A networking system may include a first network such as a private cloud network and a second network such as a public cloud network. The first network may include a switch coupled to a computing resource. To facilitate a robust and flexible inter-network connection, the networking system may include network connector circuitry having a connector endpoint at the first network and a network connector coupling the connector endpoint to a network element at the second network. A controller for the first network may provide control signals and configuration data to the network connector circuitry to form the connection to the second network and may configure the switch to forward external network traffic to and from the connector endpoint via a switch port directly coupled to the connector endpoint.

Abstract: A packet forwarding network may include spine and leaf switches that forward network traffic between end hosts. The packet forwarding network may be implemented on multiple network racks in a rack-based system. A controller may control the underlying spine and leaf switches to form on-premise virtual private cloud (VPC) resources. In particular, the controller may form enterprise VPC (EVPC) tenants, each having a virtual router that performs routing between different segments within the corresponding EVPC tenant. The different segments may separately include web, application, and database servers, as end hosts. The controller may form a system VPC tenant having a virtual system router that performs routing between different EVPC tenants. A segment in an internal VPC tenant formed by the controller and/or an external VPC tenant formed by the controller may provide external network access for one or more of the EVPC tenants.

Abstract: A networking system may include a switch coupled to a computing resource. A resource management system may control the computing resource. A controller may be coupled to the switch. The controller may include a resource management interface that is coupled to the resource management system via a communications link. The resource management interface may receive computing resource information for the computing resource via the communications link. The controller may provide control data to the switch to update a cloud network for the computing resource based on the received computing resource information.

Abstract: A lancet magazine for use in a lancing aid is described comprising a plurality of lancets each having a lancet body at the proximal end of the lancet and a lancet tip at the distal end of the lancet, where the proximal end of the lancet points in the direction of the proximal end of the housing of the lancet magazine and the distal end of the lancet is aligned in the direction of the distal end of the housing and the lancets in the unused state are completely surrounded by the housing. Furthermore, an extension unit is movably connected to the housing in such a manner that the housing can be extended by movement of the extension unit in the direction of the distal end of the housing such that the lancet is prevented from emerging from the lancet magazine.

Abstract: A fuel tank inlet assembly comprising a fuel tank inlet (200) defining an opening. The fuel tank inlet is configured for receipt by an aperture of the fuel tank (400). An anti-siphon device (300) is configured for receipt by the fuel tank inlet. The anti-siphon device defines an inlet aperture and comprises an anti-siphon portion configured to inhibit the passage of a siphon tube through the anti-siphon device. The fuel tank inlet comprises a first locking portion (206) and the anti-siphon device defines a second locking portion (307) configured to engage the first locking portion so as to secure the anti-siphon device to the fuel tank inlet such that the anti-siphon device is positioned within the fuel tank inlet entirely beyond the opening.

Abstract: A method of image rendering includes representing a height map of terrain elevation data as a virtual texture; sampling a portion of the height map terrain elevation data on a uniform grid corresponding to render nodes used for rendering a terrain mesh, where a correspondence of the grid to the render nodes results in the sampled terrain elevation data for a render node being entirely contained within one physical page of memory, and where the equivalent position of a heightmap virtual co-ordinate in a page of physical memory is obtained based upon an offset to a physical page co-ordinate, rather than by reference to an indirection texture; and rendering terrain mesh for a render node according to terrain elevation data obtained from a single physical page of memory corresponding to respective virtual co-ordinates.

Abstract: A lancing device comprises a lancet drive to cause a lancet to effect a puncturing movement, a housing that encloses the lancet drive, and a touching element with an opening for applying a part of a body in which a prick wound is to be produced, the touching element being movable relative to the lancet drive for the purpose of adjusting the puncturing depth in a puncturing direction. The touching element is connected rotatably by means of a screw thread to an intermediate piece and is movable in the puncturing direction, while the intermediate piece is rotatable and movable relative to the housing. A guide prevents rotation of the touching element relative to the housing, and the touching element is enclosed by the intermediate piece at least over part of its length.

Abstract: A lancet magazine for use in a lancing aid is described comprising a plurality of lancets each having a lancet body at the proximal end of the lancet and a lancet tip at the distal end of the lancet, where the proximal end of the lancet points in the direction of the proximal end of the housing of the lancet magazine and the distal end of the lancet is aligned in the direction of the distal end of the housing and the lancets in the unused state are completely surrounded by the housing. Furthermore, an extension unit is movably connected to the housing in such a manner that the housing can be extended by movement of the extension unit in the direction of the distal end of the housing such that the lancet is prevented from emerging from the lancet magazine.

Abstract: A lancet magazine for use in a lancing aid is described comprising a plurality of lancets each having a lancet body at the proximal end of the lancet and a lancet tip at the distal end of the lancet, where the proximal end of the lancet points in the direction of the proximal end of the housing of the lancet magazine and the distal end of the lancet is aligned in the direction of the distal end of the housing and the lancets in the unused state are completely surrounded by the housing. Furthermore, an extension unit is movably connected to the housing in such a manner that the housing can be extended by movement of the extension unit in the direction of the distal end of the housing such that the lancet is prevented from emerging from the lancet magazine.

Abstract: A method of image rendering includes representing a height map of terrain elevation data as a virtual texture; sampling a portion of the height map terrain elevation data on a uniform grid corresponding to render nodes used for rendering a terrain mesh, where a correspondence of the grid to the render nodes results in the sampled terrain elevation data for a render node being entirely contained within one physical page of memory, and where the equivalent position of a heightmap virtual co-ordinate in a page of physical memory is obtained based upon an offset to a physical page co-ordinate, rather than by reference to an indirection texture; and rendering terrain mesh for a render node according to terrain elevation data obtained from a single physical page of memory corresponding to respective virtual co-ordinates.