Abstract: A spinner toy includes a large circular hoop upon which there are a plurality of smaller circular hoops. The toy is used by turning the large hoop and causing the smaller hoops to spin around the large hoop while turning the large hoop. The toy provides amusement and entertainment to the user.

Abstract: The present disclosure provides a perovskite solar cell and a manufacturing method. The method includes: providing a substrate; forming a functional layer on the substrate; forming a perovskite crystal in the functional layer; providing a postprocessing solution including a solvent and an isocyanates compound; applying the postprocessing solution to the perovskite crystal, and maintaining the postprocessing solution for a predetermined time period under a predetermined condition, so as to remove the solvent for complete reaction. According to the present disclosure, it is able to optimize the performance of the perovskite solar cell and improve the photoelectric conversion efficiency.

Abstract: A method for toy robot programming, the toy robot including a set of sensors, the method including, at a user device remote from the toy robot: receiving sensor measurements from the toy robot during physical robot manipulation; in response to detecting a programming trigger event, automatically converting the sensor measurements into a series of puppeted programming inputs; and displaying graphical representations of the set of puppeted programming inputs on a programming interface application on the user device.

Abstract: A climate controlled food storage system onboard a vehicle comprises a cabinet with one or more compartments. Within the one or more compartments are a pair of front pilasters and a pair of rear pilasters. The front pilasters have fasteners for locking rails or shelves into place so that they will not move when the vehicle is in motion. The rear pilasters have slots that allow the rails or shelves to be easily inserted, removed, and adjusted within the cabinet. The pilasters maximize the use of space within the cabinet while permitting adequate air flow within the cabinet. The fasteners on the front pilasters and the slots on the rear pilasters are arranged symmetrically along the vertical length of the pilasters so that they can be used interchangeably on the left and right sides of the cabinet.

Abstract: An apparatus and method for transferring perishable food items between a refrigerated storage unit and a mobile kitchen vehicle maintains the integrity of the perishable food items in connection with a replenishment operation or a restocking operation. The refrigerated storage unit comprises a side door that can be retracted. The side door can comprise a canopy and an air curtain. The canopy and the air curtain assist in maintaining a refrigerated temperature of the perishable food items as they are transferred from the refrigerated storage unit to the receiving truck. The refrigerated storage unit can comprise additional side doors to accommodate multiple receiving food trucks simultaneously.

Abstract: A method for toy robot programming, the toy robot including a set of sensors, the method including, at a user device remote from the toy robot: receiving sensor measurements from the toy robot during physical robot manipulation; in response to detecting a programming trigger event, automatically converting the sensor measurements into a series of puppeted programming inputs; and displaying graphical representations of the set of puppeted programming inputs on a programming interface application on the user device.

Abstract: The present disclosure relates to the field of ceramic tiles, in particular, to a ceramic tile decorated with a dry particle ink and a manufacturing method thereof. The manufacturing method comprises the steps of A: decorating a ground coat; B: decorating to form a pattern; C: drying firstly; D: embellishing with dry particles; E: spraying a protective glaze; and F: firing. The manufacturing method has simple operation steps and convenient control, simplifies the process flow, improves production efficiency, and reduces production difficulty and production cost. By spraying with the dry particle ink, jet printing is carried out on a designated position on the surface of a green body, so that the texture sprayed can accurately correspond to the pattern-decorated texture, and the uniformity and adhesion of the dry particle distribution on the surface of the green body can be improved.

Abstract: The present disclosure provides a laser-sintered perovskite solar cell and a manufacturing method thereof. The method includes: forming a hole blocking layer on a conductive base substrate; forming a mesoporous nanocrystalline layer on the hole blocking layer, and sintering the mesoporous nanocrystalline layer through a laser beam; forming an insulation interlayer on the mesoporous nanocrystalline layer; forming a counter electrode layer on the insulation interlayer, and sintering the insulation layer and the counter electrode layer; and applying a perovskite precursor solution on the counter electrode layer to obtain the laser-sintered perovskite solar cell.

Abstract: A system for autonomously landing a Vertical Take-Off and Landing (VTOL) aircraft, comprising: a first sensor; a second sensor; and a processing resource configured to: (a) obtain, from, the first sensor, first readings; (b) generate, at a first rate, based on at least part of the first readings, a 3D model of at least, part of a scene visible by the first sensor; (c) obtain, from the second sensor, a plurality of second readings, enabling identifying changes within the at least part of the scene; (d) analyze at least part of the second readings, at a second rate, to obtain changes information indicative of the changes; (e) identify, using the 3D model and the changes information, potential landing areas for the aircraft; (f) generate commands to maneuver the aircraft towards a selected landing area of the potential landing areas; and (g) repeat steps (a) to (f) until landing the aircraft.

Abstract: The present invention discloses a composition for preparing bio-based elastomer film with high moisture permeability, and a bio-based elastomer film and a laminate therefrom, wherein the composition comprises: 5%-95% bio-based elastomer material, 0-80% resin polymer, 0.01-90% inorganic powder material having a particle size within 100 ?m and/or organic low molecular material having a molecular weight within 2000 Daltons, and 0-10% organic anti-blocking agent (dispersant). The bio-based elastomer film and laminate of the present invention have excellent moisture permeability and mechanical performance, which can be widely used in various fields including outdoor sporting goods, clothing, medical treatment, food packaging and shoe materials, and which are environmentally friendly and green products.

Abstract: The present invention relates to a laminate of thermoplastic resin film with vapor-permeable barrier function, wherein the laminate comprises: at least one layer of thermoplastic resin film having a continuous structure in a thickness of 1-120 ?m with vapor-permeable barrier function; and at least one layer of a natural or chemical product layer, wherein the natural or chemical product layer is a discontinuous film, a non-woven product, an adhesive product, and/or a textile fibre product. In the laminate of the present invention, the gram weight of the product is 1-250 g/m2. The laminate of the present invention is desirable in vapour permeability and diffusivity, has a continuous structure, and can block solid dusts with a size of 5 nm or more, aerosols, bacteria, viruses and liquids. Furthermore, the laminate can have a very good blocking effect, thereby having a protective function.

Abstract: A personal safety system is provided herein. The system may include: (i) at least two connectable personal accessories, each having at least one sensor to detect a specified event; and a processor to connect the accessory to at least one data network and communicate a detection over the network; (ii) a server; and (iii) at least two instances of an app on respective at least two devices communicatively connected to the at least two accessories. The processor of a first accessory is configured to communicate a detection to a first instance of the app on a first personal device and the first instance app is configured to forward the detection to the server. The server is configured to connect to at least one second instance of the app on a second personal device and communicate the detection to the at least one second instance app.

Abstract: The present disclosure provides a printable curved-surface perovskite solar cell, including a curved-surface conductive substrate, a porous electron transport layer, a porous insulation layer, a porous back electrode layer and a perovskite filler. The curved-surface conductive substrate includes a curved-surface transparent substrate and a conductive layer deposited on the curved-surface transparent substrate. The porous electron transport layer, the porous insulation layer and the porous back electrode layer are sequentially deposited on the conductive layer from bottom to top. The perovskite filler is filled in pores of the porous electron transport layer, the porous insulation layer and the porous back electrode layer. The present disclosure further provides a method for preparing the printable curved-surface perovskite solar cell.

Abstract: The invention discloses a skateboard wheel tyre, including an annular cover tyre, embedded parts and a first connector, wherein the first connector is located on the inner side of the annular cover tyre, and a cavity is formed therebetween; n second connectors are disposed in the cavity, wherein n is an integer greater than or equal to 1, and the second connector is connected to the annular cover tyre and the first connector; the annular cover tyre, the first connector and the n second connectors are integrally formed from the same material; the embedded parts are embedded into gaps among the annular cover tyre, the first connector and the n second connectors to fill the gaps, and the embedded parts are made from a material which is the same as the annular cover tyre in type but different in color and hardness.

Abstract: A tire inflation valve associable with a tire pressure monitoring system (TPMS) sensor includes a stem ending in a head equipped with a head body and an adjustable insert associable with the TPMS sensor by a connection element and hinged to the head body to rotate about a transverse axis and allow position adjustment of the TPMS sensor. The adjustable insert allows modifying inclination of the TPMS sensor according to different use conditions.

Abstract: A fluid impervious stitching method for a seam of a vapor-permeable virus-barrier laminate. The laminate comprises: at least one thermoplastic resin fiber layer; at least one vapor-permeable virus-barrier thermoplastic elastomer film layer; and a bonding layer located between the two layers and formed of an adhesive capable of being fused with the two layers. In the stitching method, overlapping or stacking is performed to form a seam, and heat sealing is performed on the laminate at the seam. The temperature of heat sealing is higher than the melting point of a material layer having the highest melting point in the laminate, but lower than the temperature at which perforation or decomposition occurs in any material layer in the laminate. The heat-stitched seam has excellent windproof, vapor-permeable, virus barrier and liquid-barrier performance, has a smooth appearance without wrinkles, and feels soft. Also provided is a protective textile product prepared by means of the stitching method.

Abstract: Antiseptic agent delivery systems and methods are provided, one such system comprising: a reservoir configured to store an antiseptic solution, wherein the antiseptic solution comprises an aqueous solution of hypochlorous acid; an ultrasound generator coupled to the reservoir, wherein the ultrasound generator vaporizes the antiseptic solution into an antiseptic vapor; a nozzle to direct the antiseptic vapor to an affected area; and a housing coupled to the reservoir and the nozzle, wherein the housing comprises a panel to control the ultrasound generator.

Abstract: Systems and methods for treating drug resistant pneumonia and tuberculosis using hypochlorous acid (HOCl) are disclosed. Embodiments of the present disclosure relate to nebulizing HOCl as a method of treating drug resistant bacteria, in particular, bacterial pneumonia pathogens (i.e., Streptococcus pneumoniae) and Mycobacterium tuberculosis bacteria. The nebulized HOCl solution may be approximately 180 parts per million (PPM) of the aqueous solution and have a pH of less than 6.