Abstract: A powder bed material can include from 80 wt % to 100 wt % metal particles having a D50 particle size distribution value from 4 ?m to 150 ?m. From 10 wt % to 100 wt % of the metal particles can be surface-activated metal particles having in intact inner volume and an outer volume with structural defects. The structural defects can exhibit an average surface grain density of 50,000 to 5,000,000 per mm2.

Abstract: The present disclosure is drawn to a three-dimensional printing kit and can include a particulate build material including from about 80 wt % to about 100 wt % metal particles, and a binding agent including water, from about 0.01 wt % to about 5 wt % organic compounds, and from about 20 wt % to about 60 wt % copper nitrate.

Abstract: A method and system for the online vehicle rentals, such as a car share rental, allows for a customer to self-dispatch and self-return a rental vehicle without requiring special equipment in the rental vehicle or the presence of rental personnel at the dispatch or return location. At the beginning of the rental period, the customer is prompted to input to a rental management computer system, via a mobile computer device, information about the mileage and fuel level of the rental vehicle and to report existing damage to the rental vehicle. If the customer wishes to extend the rental time period, the customer is prompted to select a requested extended end time for the rental time period and to send the requested extended end time to the rental management computer system.

Abstract: In an embodiment an apparatus includes a display panel and a speaker module. The panel has a display layer for displaying images and defines a plurality of apertures penetrating through at least the display layer. The speaker module includes a diaphragm arranged substantially parallel to the display layer. Sound from the speaker diaphragm is directed outside a device through the apertures and the display layer is configured for displaying at least one virtual image in relation to generated sound waves wherein the display panel is acoustically transparent.

Abstract: Systems, methods, and non-transitory computer-readable media can receive a selection to include at least a first media content item, out of a collection of media content items, for presentation in one or more collages. A set of layouts can be dynamically provided based on the selection of at least the first media content item. A preview of the set of layouts can be dynamically presented. The preview of the set of layouts can visually represent the one or one more collages.

Abstract: Systems and methods for generating plasma to stimulate plant growth comprise a high voltage generation circuit comprising a mains power input, a high power mosfet and insulated-gate bipolar transistor, and a trigger circuit; and a plasma emitter plant applicator comprising an applicator body, a plasma applicator shield, and two plasma activator electrodes configured to generate an electric field therebetween.

Abstract: The present disclosure is drawn to a material set including a powder bed material and a binder fluid. The powder bed material can be from 80 wt % to 100 wt % metal particles having a metal core and a thin metal layer on the core, and the metal particles having a D50 particle size distribution value ranging from 4 ?m to 150 ?m and the thin metal layer having an average thickness from 20 nm to 2 ?m. The binder fluid can adhere a first portion of the powder bed material relative to a second portion of the powder bed material not in contact with the binder fluid.

Abstract: A method and system for real-time qualification of rental customers allows a rental company to quickly qualify a customer making an online reservation of a rental vehicle, such as a car share rental, without requiring the customer to be a member or have a membership or to be pre-qualified. The system includes: a database operative to store account information associated with a customer for a rental transaction; an input component operative to receive from the customer an uploaded image of the customer's driver's license and an uploaded second image of the customer; and a processor operative with the database to use the uploaded driver's license image, the uploaded second image and information associated with the uploaded second image to qualify the customer for a rental transaction.

Abstract: A system for mobile rental of vehicles is provided. The system stores reservation information associated with a customer reservation of a rental vehicle, including a rental return location. During a process for returning the rental vehicle, the system causes the customer's mobile device to share its GPS location information, and uses the shared mobile device GPS location to automatically confirm that the customer is at the rental return location. The system can calculate the distance between the mobile device GPS location and the rental return location to determine whether to instruct the customer to move the vehicle and can confirm that the customer is at the rental return location if the mobile device location is within a pre-defined minimum distance from the rental return location.

Abstract: The present disclosure relates to a kit for 3D printing a 3D printed metal object. The kit comprises build material comprising metal particles; and a binding agent. The binding agent comprises a hydrated metal salt having a dehydration temperature of from 100 to about 250° C., and water. The binding agent may be either free from organic solvent and surfactant, or the binding agent comprises organic solvent and/or surfactant and the total amount of organic solvent and/or surfactant is less than 3 weight % based on the total weight of the binding agent.

Abstract: Disclose herein are embodiments related to a system made up of a lighting fixture and a radio frequency detection device. The lighting fixture having a secure housing and at least one power connection, and the radio frequency detection device being designed to operatively connect to the at least one power connection device within the lighting fixture.

Abstract: One or more embodiments of the disclosure provide systems and methods for providing media presentations to users of a media presentation system. A media presentation generally includes a one or more media streams provided by one or more capturing users of the media presentation system. In one or more embodiments, a user of the media presentation system may share a media presentation with a viewing user. The media presentation system can provide a number of features to produce a media stream within a media presentation.

Abstract: The present disclosure relates to a three-dimensional printing kit comprising: a powder bed material comprising polymer particles; a fusing agent comprising a radiation absorber and a liquid carrier; and a magnetic marking agent comprising magnetic nanoparticles, a humectant and a liquid carrier, wherein the concentration of magnetic nanoparticles is 5 to 70 weight % based on the total weight of the magnetic agent. The present disclosure also relates to a method of three-dimensional (3D) printing a 3D printed object. The method comprises: selectively applying a magnetic marking agent onto powder bed material, wherein the powder bed material comprises polymer particles, and wherein the magnetic marking agent comprises magnetic nanoparticles and a liquid carrier; selectively fusing the powder bed material, such that the magnetic nanoparticles are incorporated in the 3D printed object in a predetermined arrangement that forms a detectable marker in the 3D printed object.

Abstract: The subject matter described herein relates generally to compositions and formulations and methods of use of combinations of pyroglutamic acid and a strobilurin fungicide for improving plant growth, health and yields, and for protecting plants against selected stress conditions.

Abstract: The present disclosure relates to a method of three-dimensional (3D) printing a 3D printed object. The method comprises: selectively jetting a marking agent onto a first region of build material, wherein the build material comprises at least one meta and/or ceramic; selectively jetting a binding agent onto at least a portion of the build material; and binding the build material to form a layer; such that the marking agent is incorporated in the metal part in a predetermined arrangement that forms a detectable marker in the 3D printed object. The disclosure also relates to a multi-fluid inkjet kit for 3D printing.

Abstract: A system for rental of vehicles stores reservation information for a customer reservation of a rental vehicle, including a scheduled pickup time and pickup location for the rental vehicle. The system receives information from the customer's a mobile device, including image information and location information. When the customer arrives at the rental pickup location, the system prompts the customer to use the mobile device to capture and upload an image of the customer's driver's license, a current image of the customer, and location information for confirming that the customer image was captured at the rental pickup location. The system displays the uploaded driver's license image, the uploaded customer image and the stored reservation information to an operator to verify the identity of the customer before the customer is approved to pick up the rental vehicle.

Abstract: Described here are devices, systems, and methods for applying pulsed or modulated electric fields to tissue. In some variations, a method of treating may comprise advancing a pulsed electric field device into a body cavity of a patient. The pulsed electric field device may comprise an elongate body and an expandable member coupled to the elongate body. The expandable member may comprise an electrode array. A pulsed waveform may be delivered to the electrode array to generate a pulsed or modulated electric field thereby treating tissue.

Abstract: A three-dimensional printing kit can include a particulate build material, a binding agent, and a supportive coating agent. The particulate build material can include from about 80 wt % to about 100 wt % metal particles based on the total weight of the particulate build material. The binding agent can include binder particles dispersed in a binder liquid vehicle. The supportive coating agent can include ceramic particles having a negative coefficient of thermal expansion, a gelling compound, and a supportive coating liquid vehicle.

Abstract: The present disclosure relates to a method of three-dimensional (3D) printing a 3D printed metal object. The method comprises selectively jetting an alloying agent onto build material. The build material comprises a first metal and the alloying agent comprises an alloying component that forms an alloy with the first metal. The method also comprises selectively jetting a binding agent onto the build material; binding the build material to form a layer: the alloying component is incorporated in the 3D object in a predetermined arrangement that comprises a first and a second region. The first region comprises the alloying component and the second region is substantially free from the alloying component or comprises the alloying component at a lower concentration than the first regions. The disclosure also relates to a kit that may be used in the method and a 3D printed structure that may be formed using the method.

Abstract: An in-situ monitoring device for selective laser melting (SLM) additive manufacturing may include at least one coherent electromagnetic wave source to produce a detection beam, an interferometer interposed between the electromagnetic wave source and a target detection area, a photodetector to detect displacement measuring interference between electromagnetic waves from the electromagnetic wave source and reflected electromagnetic waves from the target detection area through the interferometer, and control logic to cause the detection beam to follow a print path of a material forming laser at a distance behind the material forming laser. The detection beam is placed on a laser-melted and at least partially solidified portion of a layer of a three-dimensional (3D) object formed by the material forming laser.