Abstract: Systems and methods for designing a hybrid neural network comprising at least one physical neural network component and at least one digital neural network component. A loss function is defined within a design space composed of a plurality of voxels, the design space encompassing one or more physical structures of the at least one physical neural network component and one or more architectural features of the digital neural network. Values are determined for at least one functional parameter for the one or more physical structures, and the at least one architectural parameter for the one or more architectural features, using a domain solver to solve Maxwell's equations so that a loss determined according to the loss function is within a threshold loss. Final structures are defined for the at least one physical neural network component and the digital neural network component based on the values.

Abstract: A social electronic learning system, including a plurality of computing devices for communicating with a plurality of users in an educational community, and at least one server in communication with each of the plurality of computing devices, each server in communication with at least one data storage device configured to host a plurality of electronic portfolios, each electronic portfolio associated with one or more users of the plurality of users in the educational community, wherein each server is configured such that one or more users may associate one or more digital items with each electronic portfolio, and the plurality of users may take actions on the digital items in each electronic portfolio depending on authorization criteria.

Abstract: Method, apparatuses, and computer program products for automatically tracking a heading of an object. An example method comprising receiving, one or more internal measurement values which pertain to an object; determining an internal heading uncertainty value for each internal measurement value of the one or more internal measurement values; generating, using a probabilistic heading model, an estimated heading data object for the object based at least in part on the one or more internal measurement values; and providing the estimated heading data object to one or more associated user devices.

Abstract: A particle delivery system of an agricultural row unit includes a particle belt housing having a particle engagement aperture configured to receive a particle and a particle exit aperture configured to expel the particle toward a trench in soil. The particle delivery system includes a particle belt having a particle engagement section configured to receive the particle via the particle engagement aperture and a particle exit section configured to expel the particle via the particle exit aperture. The particle exit section is positioned adjacent to the particle exit aperture, the particle belt extends generally parallel to the trench at the particle exit section, the particle engagement section is positioned adjacent to the particle engagement aperture, and the particle belt at the particle engagement section extends at an angle between zero degrees and ninety degrees relative to the particle belt at the particle exit section.

Abstract: The present invention provides improved spectral signature strategies for use in a wide range of product and service applications. The present invention encodes spectral signature features into one or more optical brightener compounds and/or one or more infrared absorbing compounds. Equipment is modified with appropriate ultraviolet/violet or infrared LED illumination sources and corresponding detectors, optionally optical filters, and optionally mask elements, in order to read the spectral responses. These features desirably are used in combination with one or more other luminescent taggant compounds.

Abstract: A particle delivery system of an agricultural row unit includes a particle belt having a particle acceleration section. The particle belt is configured to receive a particle from a particle metering and singulation unit, to accelerate the particle at the particle acceleration section, and to expel the particle toward a trench in soil. The particle delivery system includes a first wheel engaged with the particle belt at a first location and a second wheel engaged with the particle belt at a second location. The particle acceleration section extends between the first location and the second location, a substantially no-slip condition exists between the first wheel and the particle belt at the first location and between the second wheel and the particle belt at the second location, and the second wheel is configured to rotate faster than the first wheel to accelerate the particle at the particle acceleration section.

Abstract: A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is affixed to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating cooling fluid along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and/or outer race of the bearing to the cooling fluid.

Abstract: A particle delivery system of an agricultural row unit includes an inner particle belt having a base and a plurality of flights extending outwardly from the base. Each pair of opposing flights of the plurality of flights is configured to receive a particle from a particle metering and singulation unit, and each flight is configured to rotate relative to the base. The particle delivery system includes an outer particle belt having a plurality of apertures, where each flight of the plurality of flights extends through a respective aperture of the plurality of apertures, and the outer particle belt is configured to drive rotation of the flight relative to the base as the inner particle belt and the outer particle belt rotate, such that rotation of the flight relative to the base accelerates the particle toward a trench in soil.

Abstract: According to some embodiments, a system for providing guided instructional design. The system includes at least one processing device and at least one data storage device in communication with the at least one processing device. The at least one data storage device is configured to store information about at least one course. For each course, the at least one processing device is configured to present at least one predetermined course component to a first user, and for the at least one course component: present at least one course parameter, receive at least one first input from the first user in relation to the at least one course parameter, based on the at least one first input and at least one educational design element, present at least one modified course parameter to the first user; and receive at least one second input from the first user in relation to the at least one modified course parameter.

Abstract: A method and circuit for protecting circuit elements in a traffic control system from an overcurrent condition. In accordance with an embodiment, the circuit includes a current sensing element, a switching element, and a microcontroller. The circuit monitors first and second operating parameters and compares the first operating parameter with a first reference parameter and the second operating parameter with a second reference parameter. In response to the first operating parameter exceeding the first reference parameter and the second operating parameter exceeding the second reference parameter, the microcontroller generates a control signal to open the switching element.

Abstract: An agricultural system that includes a planter frame. A track and/or wheel couple to and support the planter frame. A first row unit bracket couples to the planter frame. A first offset bracket couples to the first row unit bracket. A first row unit couples to the first offset bracket. The first offset bracket offsets the first row unit from a path of the track and/or wheel.

Abstract: An agricultural planting implement includes a first wing toolbar configured to support a first set of row units and a second wing toolbar configured to support a second set of row units. The agricultural planting implement also includes a connection assembly having at least one arm pivotally coupling the second wing toolbar to the first wing toolbar. The at least one arm is pivotally coupled to the first wing toolbar and non-pivotally coupled to the second wing toolbar. In addition, the connection assembly includes an actuator configured to drive the second wing toolbar to rotate upwardly relative to the first wing toolbar from a working position to a transport position. The actuator is also configured to urge the second wing toolbar downwardly toward a soil surface while the second wing toolbar is in the working position.

Abstract: Provided herein are topical formulations including a cannabinoid and one or more active sunscreen ingredients. Also provided are methods of using the topical formulations.

Abstract: A particle delivery system of an agricultural row unit includes a first particle disc configured to meter particles and a second particle disc configured to receive the particles from the first particle disc and to transfer the particles toward a trench in soil. The particle delivery system includes a vacuum source configured to reduce air pressure within a first vacuum passage to couple the particles to one or more first apertures of the first particle disc. The vacuum source is also configured to reduce air pressure within a second vacuum passage to couple the particles to one or more second apertures of the second particle disc. A rotation rate of the first particle disc is controllable to establish a particle spacing between the particles within the trench. A rotation rate of the second particle disc is controllable to expel the particles at a particle exit speed.

Abstract: A particle delivery system of an agricultural row unit includes a particle disc configured to receive a plurality of particles from a particle metering and singulation unit, and a particle belt configured to receive each particle of the plurality of particles from the particle disc and to expel the particle to a trench in soil. The particle disc is configured to accelerate each particle of the plurality of particles to a target particle transfer speed.

Abstract: An agricultural planting implement includes a first wing toolbar configured to support a first set of row units. The first wing toolbar is configured to pivotally couple to a main frame of the agricultural planting implement. The agricultural planting implement also includes a second wing toolbar configured to support a second set of row units. In addition, the agricultural planting implement includes a connection assembly having at least one arm pivotally coupling the second wing toolbar to the first wing toolbar. The at least one arm is pivotally coupled to the first wing toolbar and non-pivotally coupled to the second wing toolbar. Furthermore, the connection assembly includes an actuator configured to drive the second wing toolbar to rotate relative to the first wing toolbar.